from

Image from web page 542 of “Electrical news and engineering” (1891)

Image from web page 542 of “Electrical news and engineering” (1891)

Klarm Machining

Some cool electrical discharge grinding images:

Image from page 542 of “Electrical news and engineering” (1891)

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Identifier: electricalnewsen31donm
Title: Electrical news and engineering
Year: 1891 (1890s)
Authors:
Subjects: Electrical engineering
Publisher: Don Mills, Ont. [etc.] Southam-Maclean Publications
Contributing Library: Engineering – University of Toronto
Digitizing Sponsor: University of Toronto

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the energy losses of distribution by maintaining down a leakagefrom the conductor to the insulator pin. The clamps aremade of malleable iron, galvanized by the hot dipping pro-cess. Each halves are alike and interchangeable. The manu-facturers claim that these clamps will not break the glass,as there is but 1 bolt and the covering of the conductor re-ceives the stress that may possibly outcome from unequal expansion. Direct-Current Lightning ArresterA direct existing electrolytic lightning arrester, for volt-age applications up to three,800 volts has been lately devel-oped by the Westinghouse Electric &amp Manufacturing Com-pany. The device contains one to twelve cells and is de-signed for car or station use on railway, energy and lightingcircuits. The building embodies two aluminum platesimmersed in a suitable inorganic electrolyte and supportedfrom a porcelain cover clamped by a zinc ring to a glass jar

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with a gasket placed bctvvcLii the porcelain cover and theglass jar. Hollow concentric cylinders produced from sheet aluminumform the plates, the outer cylinder or plate getting punched andupset at frequent intervals in order to allow free of charge circulation of the electrolyte inside the cell. Balancing resistors areused with arresters of a lot more than one particular cell. The arrestersare floated between the line and ground, so that a leakagecurrent of only a handful of milliamperes passes continually. Thisleakage current serves to preserve the film upon the aluminumplate or plates in proper order. The device is capalble ofpassing a surge present of roughly 1000 amp. at doublenormal voltage when the arrester is functioning and onearrester must be used for each .500 kw. of feeder bus, rotaryconverter or motor-generator capacity to which the arresteris connected. Any voltage in excess of normal line voltageis discharged promptly by means of the arrester. The arrestersare mounted and securely held in asbestos board and w

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Image from page 33 of “Electrical planet” (1883)

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Identifier: electricalworld43newy
Title: Electrical planet
Year: 1883 (1880s)
Authors:
Subjects: Electrical engineering
Publisher: [New York McGraw-Hill Pub. Co., etc.]
Contributing Library: Engineering – University of Toronto
Digitizing Sponsor: University of Toronto

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ft. in length, it ha- boonanchored at the center of each and every side of the boiler home. A double 20 40 60 80 100 vcys it to any essential point. This is in the nature of a travelingcrane, and its character can be readily understood from Fig. ten. Theashes are discharged in the basement into a pocket of a capacity of28 cu. ft., which travels on an overhead trolley. From this the ashesare dumped into a skip, which elevates them to the ash bin, fromwhich they iie automatically discharged into automobiles as preferred. .All ofthe machinery is operated by direct-existing motors. The coal-hand-ling and ash-conveying systems had been de&gtigned by Heyl and Patter-son, of Pittsburg. Boiler residence No. i in its common attributes is comparable to the onealready described. This includes 16 Cahall boilers, which are pro-vided with grates and gas fired. Coal is utilized whenever the blastfurnace gas is of an inferior quality. Boiler home No. three, which is.south of the pumping station, is 65 . 184 ft. in size. This will con-

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Unl^adtnq Machine-^ ^~^ v s^~nJ: Fig. 5.—Section By means of Ore Dock and Blast Furnaces. bend is provided in each line, connecting a battery with the mainheader to take care of expansion. A really lengthy elbow is provided ateach boiler, which, by closing two valves located in between the headerand the former, can be completely removed to permit the removal oftubes. A monitor in two halves of a bigger diameter than the boileris bolted to the roof more than every. This can be entirely removed forrepairs of what ever nature, and also serves as a ventilator. Allsteam valves 12 in. long or bigger are by-passed. Drips under oper-ating situations are exposed, and eight-in. cast-iron pipe is utilized forblow-offs in the ground -leading to the sewers. Compressed air is tain 32 Cahall boilers gas fired, and will furnish steam to several en-gines in the Bessemer rail mill. As already stated, each and every pair of blast furnaces will have its ownpower home, containing an gear of gas engines for drivingblower engi

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Image from web page 377 of “Journal of electricity, power, and gas” (1899)

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Identifier: journalofele323271914paci
Title: Journal of electrical energy, power, and gas
Year: 1899 (1890s)
Authors: Pacific Coast Electric Transmission Association
Subjects: Electrical engineering Electrical energy Gas manufacture and performs
Publisher: San Francisco : Technical Pub. Co.
Contributing Library: San Francisco Public Library
Digitizing Sponsor: California State Library Califa/LSTA Grant

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_■. w.-.rti2najii&gtfe^ j«,£5&ltaitaMBMH Towers at Tiny Falls Showing Rock Anchorages. beneath the supervision of an inspector employed by thepurchaser, who kept a close supervision of the work-manship and produced frequent tests on samples selectedby him. A single of the 50 ft. towers was erected at thecontractors operates for inspection and to prove the cor-rectness of the style was subjected to all the stressesprovided for in the specifications. Ground Wires. Two ground wires are supplied and they are at-tached both mechanically and electrically to the topof the towers. Each ground wire consists of a ^ in.diam., seven strand Siemens-Martin steel cable hav-ing an ultimate strength of about 9000 lb. and anelastic limit of 5500 lb. These ground wires are pro-vided to afford protection from lightning discharges.No matter whether they do or do not furnish this protection theauthor is unable to state, from his personal encounter,but believes that they do. A lot of engineers claim thatowing to the ground wires

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Image from page 78 of “The Röntgen rays in health-related work” (1907)

Image from page 78 of “The Röntgen rays in health-related work” (1907)

Klarm Machining

A handful of nice electrical discharge wire cutting pictures I located:

Image from page 78 of “The Röntgen rays in medical work” (1907)

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Identifier: rntgenraysinmedi1907wals
Title: The Röntgen rays in medical operate
Year: 1907 (1900s)
Authors: Walsh, David
Subjects: X-rays Radiography X-Rays Radiography
Publisher: New York : William Wood
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Information Commons and Harvard Medical School

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charge from the mains with a lamp in series, the batterymust be connected so that the present which goes through it mustalso go via the lamp. In the case of a lamp suspended by aflexible wire the circumstances would be met by cutting a single of the twostrands of the double wire, and untwisting the cut ends for a fewinches, so as to give sufficient length for connection to the two ends THE ELECTRICAL APPARATUS 57 of the battery. As a single of the severed ends is optimistic and theother is adverse, there will be a correct and a wrong way of con-necting up. In the former the path of the present from themain will be opposed to that of the battery, the lamp will burnmore dimly, and the battery will obtain a charge. In the latter itwill not acquire a charge, but, on the contrary, it will discharge,reinforcing the existing of the primary, and the lamp in the circuit willburn too brightly. The effect on the lamp is the simplest guide tothe appropriate way of connecting in the battery, and when once deter-

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Fig. 31.—Charging by way of a Lamp-Resistance (Biggs and Co.). mined the ends could be marked in some way for future guidance.Another way of testing the polarity of the ends of wire is to uselitmus-paper the paper will be reddened exactly where it touches thepositive pole, and turn blue exactly where it touches the adverse. If, rather of contemplating a flexible wire divided as just described,we think about a piece of electric light wiring enclosed in the ordinarywood casing, it will be observed that the very same results can be obtainedby removing a couple of inches of the casing cover a single of the two wirescan then be cut, and the ends bent up a couple of inches apart, and 58 THE RONTGEN RA YS IN Health-related Function brought by way of holes in the cover, exactly where they could be attachedto binding screws for the sake of neatness. The battery can thenbe attached to these binding screws by signifies of wires when it iswished to charge, and when charging is not in progress the batterycan be detached and removed, and the binding screws directlycon

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Image from web page 239 of “Electric railway gazette” (1895)

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Identifier: electricrailwayg10newy
Title: Electric railway gazette
Year: 1895 (1890s)
Authors:
Subjects: Electric railroads
Publisher: New York : [W.J. Johnston Co.]
Contributing Library: MIT Libraries
Digitizing Sponsor: MIT Libraries

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mproperprocedure asserting that the proposed consolida-tion never ever came just before any stockholders meetingot cither the Kansas City or Grand Avenue Cable BATffilFICATIONS IN A LIGHTNING DIS-CHARGE. In the course of his paper on lightning ar-resters prior to a current meeting of the AmericanInstitute of Electrical Engineers, Alexander JayWurts presented a photograph of a lightning dis-charge showing ramifications wandering off fromthe main path, as he stated, in a seemingly aimlessmanner. Mr. Wurts remarked that he was in-clined to think that at instances the ramificationsfrom the principal discharge found their way intoelectrical circuits. The figure illustrates a curi-ous frealc which is attributed to this cause. Inthe cut, T represents an overhead trolley wire,on either side of which are wooden poles H is a,bell-shaped insulator produced of compressed micaand shellac. These insulators very easily withstand anelectric strain of 13,000 volts M is an iron ringholding the span wire to the pole 75 is a branch

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CURIOUS FREAK OF LIGHTNING. circuit feeding present to a group of lamps 17,and £ is a lightning arrester in its discharge cir-cuit g- is a group of lamps. The distance be-tween i/and B is about 50 feet. Soon after a violentthunder storm it was noticed that 1 of thesepoles had been shattered from the top down tothe iron ring, the remaining portion becoming unin-jured. This had baen carried out by lightning, and inthe opinion of the writer, by one particular of the ramifi-cations to which allusion has already been made.In any case, this discharge, what ever it may possibly havebeen, passed over the span wire to the bell insula-tor //, piercing it and breaking it into threepieces, then traveled along the trolley wire to B,exactly where it apparently divided, one part passing tothe group of lights &lt/, breaking them all, ten innumber, and the other part to earth through thearrester L, without ia any way interfering withthe group ot lights ./. It is very exceptional tonote that none of the pirts broken by this dis-charge show

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Image from page 16 of “Scientific American Volume 85 Quantity 01 (July 1901)” (1901)

Image from page 16 of “Scientific American Volume 85 Quantity 01 (July 1901)” (1901)

Klarm Machining

A handful of nice machining manufacturer images I identified:

Image from web page 16 of “Scientific American Volume 85 Quantity 01 (July 1901)” (1901)

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Identifier: scientific-american-1901-07-06
Title: Scientific American Volume 85 Quantity 01 (July 1901)
Year: 1901 (1900s)
Authors:
Subjects: gas railroad munn cents steam companies american electric scientific american natural gas sheet metal sewing machine ten cents american supplement lengthy island soft coal cubic feet bituminous coal
Publisher:

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preferred, andremit to Mniui &amp Co.. Sfil Broadway, New York. Canadian patents may now be obtained by the in-vontnrs for auy of the inventions named in the fore-going list. For terms and additional particularsaddress Mans &amp Qo,, 361 Broadwafi New Xork. By GEORGE M. HOPKINS. 20th Edition Revised and Enlarged. 914 Fagres, 820 Illustrations. Price tag .00 In cloth .00 In half morocco, postpaid Thi.s is a book full ofinterest and value lorTeachers, Students,and others who desireto impart or acquire apractical expertise ofPhysics. Ihis splendidwork offers young andold something worthyof thought. It has in-fluenced thousands ofmen in tbe option of acareer. It will give any-a single, young or old, in-formation that will en-in a position him to compre-hend the excellent im-provements 01 the day.It furnishes sugges-tions for hours of in-structive recreation. ISend for lar^e Illustrated Circularand full Table of Couteuts. Munn &amp Co., Publishers, Workplace of the SCIENTIFIC AMERICAN,361 BROADWAY. NEW YORK.

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ELECTRICAL ENCINEERINCTAUCHT BY MAIL. Write for our Cost-free Illustrated Book. CAN I Grow to be AN ELEC-TRICAL ENGINEER? We tr.Hi-h Elfvtrtciil Kngineering, El«-ttnr Liglitms,Electrii Railways, KlechHiiioal Engineerintr Sttjaiii Eiii^iiieeriiig, Mechanical Drawing, at voiir luiiiir by mail.Institute iTuiorst-.l hv Tlios. A. F.dison ami othtrS.ELECTItl C A1/ KN ( I N KK li IN KTITUTE,Dei»t. A, a4«-a4a W. a»d Nt.. Now York. 7 ANTED, DRA.FrSMAN.-A COMPETITIVE EX- amination of applicants will be held at the NavyYard, Norfolk, Va., July 16, 19(11, for structural steelwork draftsman at ?l,5(ii per annum. For applicationand added data, address (Commandant,Navy Yard, ^Tnrfolk, Va. JOHN D. Long, Secretary of the Navy.

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Image from web page 14 of “Scientific American Volume 85 Number 01 (July 1901)” (1901)

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Identifier: scientific-american-1901-07-06
Title: Scientific American Volume 85 Quantity 01 (July 1901)
Year: 1901 (1900s)
Authors:
Subjects: gas railroad munn cents steam companies american electric scientific american all-natural gas sheet metal sewing machine ten cents american supplement lengthy island soft coal cubic feet bituminous coal
Publisher:

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hld, Pape &amp Witter. 677,203Oven for baking, roasting, and so forth., Bram- mertz &amp Fausten 077,173 (Continued on poye U) n- IF YOU ARE Creating ^• AN AUTOMOBILE.WECAN Supply YOUWITH PARTSandTITTINCS. , jIN OUR SEVEN FACTORIES we make. Running.GLAR5, TOOL SJLLL BALuS,STEEL RIMS, STEEL STAMPINGS, CKAIN.S, SHEET STEEL AND FORCINGS.ALL FOR AUTOMOBILE. Building CS,UOTATIONS • ON APPLICATION. THE AUTOMOBILE &amp CYCLE Parts CO. ,-. ^ ,,,^ , » ,..,-, OHIO. METAL POLISHES.—FORMULAS FOR Putz Pomades, Pastes, Liquicis, Fowdersand Soaps,forpolishing metals, are contained in Scientific Ameri-can Supplement Noa. l!i8:i, I^SS and l28!l.Price ten cents eacb, trom this office and all newsdealers. YOUR BICYCLM Might require a new crank haneer or greater gear. We canfurnish crank hangers comprehensive with cups and cones,to match any wheel. Create us for full data.The Avery &amp Jenness Co., 60 S. Canal St., Chicago, III. INDUCTION w vj i L&gt ^ for experi-ments in X rays andother electrical work.

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Catalogue Fixe. E. S. RITCHIE &amp SONS, Brooklinc. Mass.

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Image from web page 6 of “Scientific American Volume 85 Quantity 01 (July 1901)” (1901)

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Identifier: scientific-american-1901-07-06
Title: Scientific American Volume 85 Number 01 (July 1901)
Year: 1901 (1900s)
Authors:
Subjects: gas railroad munn cents steam producers american electric scientific american all-natural gas sheet metal sewing machine ten cents american supplement extended island soft coal cubic feet bituminous coal
Publisher:

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e at alighthouse at Grande Polnte au Sable, in Michigan,says The Architect. The lighthouse, which is about80 feet high, is formed of brick with a stone base. Itwas erected in 1867, but nearly from its completion ithas suffered from the violent rain storms of the dis-trict. For a long time pointing was undertaken regu-larly, but at length it was determined to Incase thelighthouse with metal. The bent plates used varierl A NOVEL TWINE HOLDEB AND CUTTEB. A device which is specially adapted for guiding andcutting twine to be utilized in tying up packages has re-cently been patented in the Uplted States by RaymondD. Weakley, of St. Louis, Mo. As our illustration shows, the device comprisesessentially a lower compartment and an upper com-partment, the former of which contains the ball oftwine and the upper of which incloses the operativemechanism. This operative mechanism comprises a toothedwheel meshing with a rack formed on a carrier. Thecarrier is tubular in type and receives the cost-free end of

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Image from web page 13 of “Scientific American Volume 85 Quantity 01 (July 1901)” (1901)

Image from web page 13 of “Scientific American Volume 85 Quantity 01 (July 1901)” (1901)

Klarm Machining

A few good machining manufacturer images I discovered:

Image from web page 13 of “Scientific American Volume 85 Quantity 01 (July 1901)” (1901)

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Identifier: scientific-american-1901-07-06
Title: Scientific American Volume 85 Quantity 01 (July 1901)
Year: 1901 (1900s)
Authors:
Subjects: gas railroad munn cents steam makers american electric scientific american organic gas sheet metal sewing machine ten cents american supplement extended island soft coal cubic feet bituminous coal
Publisher:

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Lraphers use that can be Bent through themail, and promoting for 91 or less. Inquiry No. 977.—For makers of taperedaluminium tubing. Inquiry No. 978.-Wanted the name and addressof a manufacturer of water motors answer statingdifferent sizes made. Inqniiy No. 979.—Wanted the name and addressof a manufacturer of a profitable cow milking machine. Tnquiry No. 980-—Wanted the name and addressof a manufacturer of machinery for shaving off thebark on a specific foreign tree (name not given). Inquiry IVo. 981.—For manufacturers of monu-ments other than stone. Inquiry No. 982.—For makers of appli-ances for light mining, such as gold pans, portablesmelters, and so forth. Inquiry No. 983.—For makers of cheap* efficient writing duplicators. Inquiry No.. 984.—For manufacturers of coffeeroasters and mills. Inquiry No. 985.—For companies of hoistingmachinery and tools appropriate for developing purposes. Inquiry No. 986.—For companies of steelriveted masts for vessels.

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»mt^ HINTS TO CORRESPONDENTS. Names and Address need to accompany all letters t-rno focus will be paid thereto. This is forour data and not for publication. References to former articles or answers ought to givedate of paper and web page or quantity of question. Inquiries not answered in affordable time should berepeated correspondents will bear in mind thatsome answers require not a tiny investigation, and,though we endeavor to reply to all either byletter or in this division, each and every need to takehis turn. Purchasers wishing to purchase any post not adver-tised in our columns will be furnished withaddresses of homes manufacturing or carryingthe same. Particular Written Details on matters of personalrather than common interest can’t be expectedwithout remuneration. Scientific American Supplements referred to may behad at the workplace. Price tag 10 cents every. Books referred to promptly supplied on receipt ofprice. Minerals sent for examination should be distinctlymarked or labeled. (8233) F.

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Image from page 19 of “Farquhar’s autumn catalogue : 1911” (1911)

Image from page 19 of “Farquhar’s autumn catalogue : 1911” (1911)

Klarm Machining

Some cool edm cutting photos:

Image from page 19 of “Farquhar’s autumn catalogue : 1911” (1911)

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Identifier: farquharsautumnc19rjfa_3
Title: Farquhar’s autumn catalogue : 1911
Year: 1911 (1910s)
Authors: R. &amp J. Farquhar Firm Henry G. Gilbert Nursery and Seed Trade Catalog Collection
Subjects: Nurseries (Horticulture) Massachusetts Boston Catalogs Nursery stock Massachusetts Boston Catalogs Vegetables Seeds Massachusetts Boston Catalogs Flowers Seeds Massachusetts Boston Catalogs Aquatic plants Massachusetts Boston Catalogs Trees Massachusetts Boston Catalogs
Publisher: Boston, Mass. : R. &amp J. Farquhar
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library

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Late Single Tulip Vitellina.Six of a Kind Sold at Dozen Rates 25 at one hundred Rates 250 at 1.000 Rates. 1 R. &amp J. FARQUHAR &amp Co., BOSTON. DARWIN LATE SINGLE TULIPS. THE colors variety from the palest lilac to purplish black, like shades of rose, scarlet, crimson, violet, brown, white, etc. TheDarwin Tulips are the strongest race of all, their huge leaves being typically eight inches broad and their splendid flowers two tothree feet in height. They bloom with the Columbines, 3 or four weeks soon after the Single Early Tulips. Clumps of them alongthe edge of shrubbery and in hardy plant borders are really effective. They are particularly stunning when cut for vases.

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Darwin Tulip Gretchen. I Doz. Angelina. Soft rose .85 Ariadne. Fiery scarlet 1.two Baron de ia Tonnaye. Clear rosy-carmine, base white, tinged blue Bronze Queen. Light yellow additional large Clara Butt. Exquisite shade of soft salmon-pink a big flower of exceptional beauty . Edm^e. Viid rose-pink Erguste. Stunning satiny-heliotrope ….Farncombe Sanders. Brilliant orange-scarlet additional fine Flambeau. Brilliant scarlet with blue centre .Glow. Crimson-scarlet, centre blue margined white.Gretchen. Massive globular flower of soft blush color quite lovely Hecla. Deep crimson-maroon King Harold. Dark blood red shaded maroonKate Greenaway. White flushed with lilac, extremely massive late La Candeur. Big globular white flower slightly tinged with blush, anthers black ….La Tulipe Noire. The Black Tulip. The darkest of all Tulips quite large five.00 .60I .00 •S? I . CO ,60 I . CO .60.60 .60.60.60 .60 .eight one hundred $^ . 008.00 four. 006. 00 five 00 six , 004 . 00 six . GO four . 004 . 00 four . 004 . 005.00 !five.00 Lov

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Image from page 168 of “The transformations (or metamorphoses) of insects (Insecta, Myriapoda, Arachnida, and Crustacea) : being an adaptation, for English readers, of M. Émile Blanchard’s “Metamorphoses, moeurs et instincts des insects” and a compilatio

Image from page 168 of “The transformations (or metamorphoses) of insects (Insecta, Myriapoda, Arachnida, and Crustacea) : being an adaptation, for English readers, of M. Émile Blanchard’s “Metamorphoses, moeurs et instincts des insects” and a compilatio

Klarm Machining

A handful of nice blanchard grinding images I located:

Image from web page 168 of “The transformations (or metamorphoses) of insects (Insecta, Myriapoda, Arachnida, and Crustacea) : getting an adaptation, for English readers, of M. Émile Blanchard’s “Metamorphoses, moeurs et instincts des insects” and a compilatio

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Identifier: transformationso01dunc
Title: The transformations (or metamorphoses) of insects (Insecta, Myriapoda, Arachnida, and Crustacea) : being an adaptation, for English readers, of M. Émile Blanchard’s &quotMetamorphoses, moeurs et instincts des insects&quot and a compilation from the performs of Newport, Charles Darwin, Spence Bate, Fritz Müller, Packard, Lubbock, Stainton, and other folks
Year: 1870 (1870s)
Authors: Duncan, P. Martin (Peter Martin), 1821-1891 Blanchard, Emile, 1819-1900. Metamorphoses, moeurs et instincts des insects Conger, Paul S., former owner. DSI Abbott, Charles C., former owner. DSI
Subjects: Insects Insects Myriapoda Arachnida Crustacea
Publisher: Philadelphia : Claxton, Remsen, and Haffelfinger
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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shining spots upon them.The pupae are located enclosed in the stems in which the larvaehave lived. One more loved ones, that of the Xylinidce, has some quite beautifulcaterpillars certainly, Mr. Stainton says that no figure can giveany notion of the beauty of the living caterpillar of Catocalaexolita, and that when he saw it he nearly screamed with delight.They are really lengthy, cylindrical, and attenuated at every single end their colour is a bright green, and the spiracles are connectedwith pale yellow lines, intersected by a slender scarlet streak.There are also white spots upon them, edged with black, andthose of the back are joined with each other by black patches. Thepupae bury themselves at a considerable depth in the ground.One particular kind has its chrysalis enclosed in a cocoon, which is verypapery, and placed on the surface of the ground. The genus Cuciillia has some extremely pretty moths and cater-pillars. The moths have long pointed wings, long bodies, anda sort of hood to their thorax, and are named Sharks. The

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THE MOTHS AND CATERPII.I.ARS OV Cltcullia -cCvbasci. THE XOCTUINA. Ijl caterpillars are exceptional for the ease with which they perhaps picked off the flowers and leaves on which they feed. TheFrench get in touch with them Capuchins, on account of the peculiar hood-shaped projection. The caterpillars come out in the course of the eveningfrom amongst the leaves and flowers of the mullein and otherscrophularious plants, exactly where they have been hidden for the duration of theday. They are simply identified, for they are of a greenish whitecolour, with a rather broad vibrant yellow transverse band on eachsegment, reaching from spiracle to spiracle the ordinary spots,which are black and very massive, are in this band, and a black spotfollows each spiracle, two other people getting beneath it. The face of thelarva is yellowish and spotted with blue. They are of all sizes and as they grow big they seek the foot of the plant, and makea cocoon underground with some grains of sand and pieces ofearth and silk. The moths frequently fly about the plants w

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Image from page 460 of “The transformations (or metamorphoses) of insects (Insecta, Myriapoda, Arachnida, and Crustacea) : being an adaptation, for English readers, of M. Émile Blanchard’s “Metamorphoses, moeurs et instincts des insects” and a compilatio

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Identifier: transformationso01dunc
Title: The transformations (or metamorphoses) of insects (Insecta, Myriapoda, Arachnida, and Crustacea) : becoming an adaptation, for English readers, of M. Émile Blanchard’s &quotMetamorphoses, moeurs et instincts des insects&quot and a compilation from the performs of Newport, Charles Darwin, Spence Bate, Fritz Müller, Packard, Lubbock, Stainton, and other folks
Year: 1870 (1870s)
Authors: Duncan, P. Martin (Peter Martin), 1821-1891 Blanchard, Emile, 1819-1900. Metamorphoses, moeurs et instincts des insects Conger, Paul S., former owner. DSI Abbott, Charles C., former owner. DSI
Subjects: Insects Insects Myriapoda Arachnida Crustacea
Publisher: Philadelphia : Claxton, Remsen, and Haffelfinger
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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e skins of the animals upon which theylive, and its bite produces considerably discomfort. The species are scatteredall more than the globe, but are much far more several in warm thanin cold nations, only a couple of getting identified in Europe. The largestand finest are natives of India and America. The commonspecies, nonetheless, is the European Rcduvins pcrsoiiatus. It isgenerally discovered inside homes living amongst the dust and fluff.It is then in the condition of a larva or nymph, and it hidesitself by covering its body with those evidences of uncleanlyhabits. When it becomes an adult it obtains its wings and THE REDU17US PERSONATUS. 375 flies about the fields, returning, even so, to homes in order tolay its eggs. A larva might be seen in the engraving on the ground, close tothe basket on the proper hand side the excellent insect is enteringthe property, and quickly beneath it, on the ground, is a nymph. The Hydromciridce are aquatic RcduviincB. They are insectswhich are commonly observable for the duration of the summer time upon the

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THE METAMOKIHOSES OF RcdllvillS peiSOIiatuS. surface of operating or standing waters. Some have extended narrowlegs, with which they appear to be taking the measure of the topof the water. They arc referred to as Hydrotnctra stagnornvi. Thespecies of the genus Gerris, which are really many, are also verycommon, and some other people belonging to the genus Halobates havebeen identified walking over the waves of the tropical seas as easilyas the first twirl and twist about on our ponds. In order to enablea Gerris to live on the surface of stagnant water, and to skim upon 3/six TRANSFORMATIONS OF TNSFCTS. it with wonderful velocity, Nature has provided it a body somewhat likethat of a wherry in shape. The long middle feet, which are coveredwith a fine close down like the rest of the physique, glide on the water,and even remain motionless without becoming wet. Their foodconsists of other insects, and they are capable in the adult stageto fly from pond to pond. It is extremely exceptional that the larvaeof a lot of species which differ o

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Image from page 398 of “The street railway assessment” (1891)

Image from page 398 of “The street railway assessment” (1891)

Klarm Machining

A couple of nice electrical discharge wire cutting images I identified:

Image from page 398 of “The street railway assessment” (1891)

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Identifier: streetrailway03amer
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants’ Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Evaluation Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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Looking UP THE GRADE. AT THE GREGORY STREET CROSSING. fore built in each and every track, formed of two Z iron beams 8inches deep, set 12^ inches apart, with an I beamextending parallel amongst and as a result forming a doubleconduit in which two groove pulley wheels of 15 inchesdiameter are placed at intervals of 15 feet the I beambeing reduce away on the beneath side where necessary tomake room for the pulleys. The two cables on this outdoors of every single track. A push button in the vehicle strikesa gong in the engineers room, and a set of signals tostop, begin, and so on., enables the vehicles to run by Gregoryavenue when no passengers are to be taken or discharged.This wire is carried on a Y shaped insulated support, inwhich the composition forked ideas are set in glass insula-tors mounted on locust pins, the whole increasing ten inches (^Iaeetlf(ailw!a^ J^A/m/ 373

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S. A. COONEY, Constructing Engineer. above the ties. This signal wire is carried among twotrolley wheels, fastened to an arm projecting from thecar. The bigger wheel is 7 inches in diameter, i J^ inches wide with a three^inch groove. Thesmall wheel is ijiinches diameter. Atthe Gregory streetcrossing the signalwire is carried in aconduit getting a i }2inch slot throughwhich the wire israised the exact same asthe cables. The power home, aswill be noticed in theillustration, is a hand-some structure ofstone, with boiler roomin the rear 33 by 33feet, and engine space 60 by 33 feet space is left foradditional engines if required. The baywindow in front is the operating space andoccupies a commanding view of the line.In this room are the levers for controlling allthe machinery, like the air brakes,electric signal from the automobiles and the indica-tor which shows the location of the cars onthe incline. The indicator is also providedwith an automatic electric alarm which ringsa bell to announce the ap

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Image from page 397 of “The street railway evaluation” (1891)

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Identifier: streetrailway03amer
Title: The street railway assessment
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants’ Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Overview Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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Car AT Top OF THE INCLINE. pound T rail. A maximum grade of 14.5 per cent con-tinues for 1550 feet, and about half way up the inclineGregory avenue is crossed on a level. This crossing is quite unusual in the building ofincline planes, and referred to as for special construction, as itwas not permisible to use an open conduit, as vehiclesconstantly cross the line. A narrow conduit was there- THE Reduced TERMINUS. entangled in the moving cable as long as the ropesare exposed. The arrangement is clearly shown in theillustrations. An additional novel device is the provision by which theconductor of every single auto is in continuous communication withthe engineer by indicates of an electric signal wire whichwill be noticed in the illustration as extending along the

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Searching UP THE GRADE. AT THE GREGORY STREET CROSSING. fore constructed in every single track, formed of two Z iron beams 8inches deep, set 12^ inches apart, with an I beamextending parallel between and therefore forming a doubleconduit in which two groove pulley wheels of 15 inchesdiameter are placed at intervals of 15 feet the I beambeing cut away on the under side where necessary tomake space for the pulleys. The two cables on this outside of every single track. A push button in the automobile strikesa gong in the engineers space, and a set of signals tostop, start off, etc., enables the automobiles to run by Gregoryavenue when no passengers are to be taken or discharged.This wire is carried on a Y shaped insulated assistance, inwhich the composition forked ideas are set in glass insula-tors mounted on locust pins, the whole rising 10 inches (^Iaeetlf(ailw!a^ J^A/m/ 373

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Image from web page 490 of “New England aviators 1914-1918 their portraits and their records” (1919)

Image from web page 490 of “New England aviators 1914-1918 their portraits and their records” (1919)

Klarm Machining

A couple of nice blanchard grinding solutions pictures I discovered:

Image from web page 490 of “New England aviators 1914-1918 their portraits and their records” (1919)

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Identifier: NewEnglandaviatVol1Tick
Title: New England aviators 1914-1918 their portraits and their records
Year: 1919 (1910s)
Authors: Ticknor, Caroline, 1866-1937, ed
Subjects: Biography Aeronautics Globe War, 1914-1918
Publisher: Boston, New York, Houghton Mifflin Organization

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sland, N.Y., on May31, 1919. Father in Service — Michael J. Butler, Sergeant-Key, 11th Hussars, BritishArmy British Veteran of three wars Egyptian Cam-paign, 1882-84 the Soudan, 1884-86 South African War,1901-03. HENRY W. VOGEL Second Lieutenant, A.S.A., U.S.A. Son of Henry W. and Mary J. Vogel was born in Dedham, Mass.,Feb. six, 1897. He was educated at the Avery College, Dedham HighSchool, the School of Organization Administration and Finance, Bos-ton, Y.M.C.A., and Boston University College of Company Admin-istration. He enlisted at Boston on Dec. 18, 1917, and was trainedfirst at S.M.A., Princeton, N.J., March 23 to June 22, 1918 at AirService Flying College, Chanute Field, Rantoul, 111., June 25 toOct. 10, 1918, becoming commissioned 2d Lieut, on Oct. two at PayneField, West Point, Miss., Oct. 12 to Nov. 7, 1918 and at Air Serv-ice Dep6t, Garden City, Field No. two, N.Y., Nov. ten to Dec. 19,1918. He was honorably discharged at Air Service Depot, GardenCity, on Dec. 19, 1918. [ 466 ]

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CARLETON WOODMAN BLANCHARD Second Lieutenant, A.S.A., U.SA.Fourteenth Squadron R.A.F. Son of George W. and Nellie H. (Forbes) Blanchard was born atSomerville, Mass., July 30,1895. He was educated at the AbingtonHigh College and M.I.T. At college he played football and baseballand baseball at college. He trained with the Cadet Regiment,M.I.T. He enlisted Nov. three, 1917, at Cambridge, and educated atM.I.T. and Princeton Ground Schools. He had flying trainingat Kelly Field, and Love Field, Tex., and took a gunnery-course atDayton, O. He was commissioned 2d Lieut. March 28, 1918 sailedoverseas and educated with the Royal Air Force at Montrose,Scotland, where he was attached to the 14th, or Camel Squad-ron, for service on the British front. He returned to America, andwas honorably discharged at Camp Devens, Dec. 19, 1918. Brother in Service— George Kinson Blanchard, 2d Lieut. A.S.A., U.S.A. Grandfather: Served in the Civil War excellent-fantastic grandfatherserved in the Revolutionary War. GEORGE

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Image from page 667 of “The universal assistant, and comprehensive mechanic : containing over one million industrial facts, calculations, receipts, processes, trade secrets, guidelines, enterprise forms, legal products, and so forth., in each occupation, from the household to t

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Identifier: universalassista00moor
Title: The universal assistant, and complete mechanic : containing over a single million industrial information, calculations, receipts, processes, trade secrets, guidelines, business types, legal things, etc., in every single occupation, from the household to the manufactory
Year: 1879 (1870s)
Authors: Moore, R. (Richard), fl. 1871-1907
Subjects: Industrial arts Technology
Publisher: New York : J.S. Ogilvie, Publisher, 57 Rose Street

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take up the atones while warnand wash them with a mixture of one particular half pail of soft water and oneqaart sharp vinegar, applie&ltl with a woollen cloth. LefeVs Xeics. Speed axd Pitch of Bolt.—An exijerieuced miller -writes on thiasubject as follows : Manv vears of practical expertise in custom mPJing and in grinding ,all sorts of wheat, hard and soft, wet and dry, lias convinced me thatthe best speed to give a bolt cloth to accompU.&lth tie most and best perform,is 200 feet per minute- The reel must have ^ to | inch pitch per lootand should be kept as complete as its capacity requires. Reels when workingon difficult wheat should have far more pitch than v.hen working on soft wheat.Far more mUlei-s get into problems witii their bolts by running tbem as well fastthan by any other cause. The fa.-ter you run tle cloth following yon get npto 200feet per minute, the less it will bolt and you can give it speedenough to carry all the flour, middlings rjid bran together out ol the tailend of the vt-tL Ii(^q, ^icics.

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THE HOLMES AND BLANCHARD PCRTAELE I^XIi. Tlie above illustration represents an excellent variety of a geared PortableGrin ling MUl manufactured by the properly recognized mill furnishing firr.i cfHolmes &amp Blanchard, Boston, Mass. They also manufacture the saceclass of mill, at significantly less price, with vertical pulley. The stones are n:ice inone complete piece from the very best French burrs and are well adattcd forfk&gturing wheat, grinding com. grain, feed, plaster, salt, coffee, spices. £c.The makers claim that the capacity of tlseir mills, of wliich they bull 1 fgreat assortment, can be increased to almost any extent, by an boost otpower or speed, or they can be worked with light power by dimiui.«hingthe speed and quantity of function. Their aoills, now nombeiing man j huu CALCULATIONS FOR BELTS, 40. 655 dreds of every single size and class, are hugely spoken of by the purchasers,Rud the writer can l&gtear witness to the utility of one which rendered ex-• client service to a lai-ge comiunnity on his own prem

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Please note that these pictures are extracted from scanned web page photos that may possibly have been digitally enhanced for readability – coloration and appearance of these illustrations could not perfectly resemble the original work.