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[Roger bacon conducting an experiment]

[Roger bacon conducting an experiment]

Title devised by Library staff. Illus. in: Symbola avreæ mensæ dvodecim nationvm. Francofvrti : typis A. Hummij, impensis Lucæ Iennis, 1617. Published in: The tradition of technology : Landmarks of Western tech... more

[Exterior view of building with apparatus attached for experiment intended to create a vacuum by draining water from a globe attached to the top of the apparatus]

[Exterior view of building with apparatus attached for experiment inte...

Title devised by Library staff. Illus. in: P. Gasparis Schotti ... Technica curiosa, sive Mirabilia artis, libris XII comprehensa .... Norimbergæ : Sumptibus J. A. Endteri, & Wolfgangi junioris hæredum, excudeb... more

[Air pump and glass receptacle demonstrating that a small animal will die in a vacuum]

[Air pump and glass receptacle demonstrating that a small animal will ...

Title devised by Library staff. Illus. in: A continuation of New experiments, physico-mechanical, touching the spring and weight of the air, and their effects ... / By the Honourable Robert Boyle. Oxford : Prin... more

[Man pointing to glass globe during experiment demonstrating the force of air pressure on a vacuum]

[Man pointing to glass globe during experiment demonstrating the force...

Title devised by Library staff. Illus. in: Ottonis de Guericke Experimenta nova (ut vocantur) magdeburgica de vacuo spatio primùm à R.P. Gaspare Schotto ... nunc verò ab ipso auctore perfectiùs edita, variisque... more

[Santorio Santorio seated in weighing chair in front of table, part of his quantitative approach to medicine, and title page of De statica medicina aphorismorum]

[Santorio Santorio seated in weighing chair in front of table, part of...

Frontispiece and title page in: De statica medicina aphorismorum / Santorio Santorio. Lungduni Batavorum : Apud C. Boutesteyn, 1703. Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. :... more

[Tubes containing mercury with vacuum at top showing development of first barometer capable of measuring atmospheric pressure, includes page of text]

[Tubes containing mercury with vacuum at top showing development of fi...

Title devised by Library staff. Illus. in: Lezioni accademiche d'Evangelista Torricelli, mattematico e filosofo del Sereniso. Firenze : Nella stamp. di S.A.R. per J. Guiducci, e S. Franchi, 1715. Published in: ... more

[Three trees undergoing plant physiology experiments, including demonstration that suction of roots can overcome the force of gravity] / S.G.

[Three trees undergoing plant physiology experiments, including demons...

Illus. in: Vegetable staticks / Stephen Hales. London : W. and J. Innys, 1727, plate 5, p. 88. Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. : Library of Congress, 1987, p. 63.

[Diagrams of various electrical phenomena and title page of Experiments and observations on electricity]

[Diagrams of various electrical phenomena and title page of Experiment...

Frontispiece and title page in: Experiments and observations of electricity / Benjamin Franklin. London : Printed for F. Newbery, 1774. Published in: The tradition of science / Leonard C. Bruno. Washington, D.C... more

[Illustrations of experiments proving air is a compressed substance and title page]

[Illustrations of experiments proving air is a compressed substance an...

Frontispiece and title page in: Experiments and observations on different kinds of air / Joseph Priestley. 3 vols. London : J. Johnson, 1774-1777. Published in: The tradition of science / Leonard C. Bruno. Wash... more

[Title page of Experiments upon vegetables]

[Title page of Experiments upon vegetables]

Title page in: Experiments upon vegetables / Jan Ingenhousz. London : Printed for P. Elmsley and H. Payne, 1779. Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. : Library of Congress... more

[Scientific apparatus used by Lavoisier in studying chemical reactions in combustion of substances, including mercury, top right] / Paulze Lavoisier, sculpt.

[Scientific apparatus used by Lavoisier in studying chemical reactions...

Illus. in: Traite elementaire de chimie / Antoine Laurent Lavoisier. Paris : Cuchet, 1789, plate 4. Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. : Library of Congress, 1987, p. 187.

[Legs of dissected frogs, and various metallic apparatus used to measure what was thought to be electricity flowing in animals]

[Legs of dissected frogs, and various metallic apparatus used to measu...

Illus. in: Abhandlung uber die Krafte der thiereschen Elektrizitat auf die Bewegung der Muskeln / Luigi Galvani. Eine Uebersetztung, Prag. : J.G. Calve, 1793. Published in: The tradition of science / Leonard C.... more

Lancasterian institute. Having succeeded, by a series of long-continued and personal experiments, in effecting an important improvement in education, I am anxious to extend its knowledge over the Union, that all teachers and parents may share it

Lancasterian institute. Having succeeded, by a series of long-continue...

Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 153, Folder 39a.

[Apparatus used to convert electrical energy into mechanical rotation, the basis of dynamos, using bar magnet, beaker of mercury, and current carrying wire] / A.A., del. ; J.B. Taylor, sc.

[Apparatus used to convert electrical energy into mechanical rotation,...

Illus. in: Experimental researches in electricity / Michael Faraday. London : R. and J.E. Taylor, 1839-1855, v. 2, pl. 4. Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. : Library of... more

Dynometer for fan experiments

Dynometer for fan experiments

Drawing. This record contains unverified data from caption card.

Experiments on the tight rope

Experiments on the tight rope

A figurative portrayal of Whig candidate Winfield Scott's failure in the 1852 presidential contest, attributed by the artist to his alliance with abolitionist interests. Scott is hoisted aloft via a pulley sys... more

Recherches sur les generations dites spontanees / N. Remond, imp. r. Vieille-Estrapade, Paris.

Recherches sur les generations dites spontanees / N. Remond, imp. r. V...

Experiment showing that microbes responsible for decay and fermentation are in the air and not the decaying matter. Illus. in: Memoire sur les corpuscles ... / Louis Pasteur. In Annales des science naturelles, ... more

[Men carrying large barometer prove existence of barometric pressure by climbing the Puy de Dôme] / Yan Dargent.

[Men carrying large barometer prove existence of barometric pressure b...

Title devised by Library staff. Illus. in: Les merveilles de la science, ou Description populaire des inventions modernes, / par Louis Figuier. Paris : Furne, Jouvet et cie, [1867]-1870. Published in: The tradi... more

U.S. Reports: Tyler v. Boston, 74 U.S. (7 Wall.) 327 (1869)

U.S. Reports: Tyler v. Boston, 74 U.S. (7 Wall.) 327 (1869)

Description: U.S. Reports Volume 74; Wallace Volume 7; December Term, 1868; Tyler v. Boston

[Bank note vignettes showing explorers including Christopher Columbus(?), pilgrims landing in America, women symbolizing arts and sciences, and Benjamin Franklin performing electricity experiment with key and kite]

[Bank note vignettes showing explorers including Christopher Columbus(...

In album: Engravings of the American Banknote Company ... p. 86.

Note, 1883 Nov. 29

Note, 1883 Nov. 29

Sheet contains drawing of apparatus. Notes on a glass globe into which a carbon tube is stuck onto a wooden base. Oxygen is put into globe when the carbon is made red hot.

Note on experiment with candle, 1884 Nov. 20?

Note on experiment with candle, 1884 Nov. 20?

Note detailing experiment with a candle, metal tube and asbestos diaphragm.

Note on broken-point microphone, 1884 March 11

Note on broken-point microphone, 1884 March 11

Details experiment using a broken-point microphone.

Note on battery experiment, 1884 Feb. 6

Note on battery experiment, 1884 Feb. 6

Details experiment with electric battery.

[Diagram of interferometer and four mirrors mounted on stone floating in mercury, which disproved existence of luminiferous ether and its role in the transmission of eletromagnetic waves; with surrounding text]

[Diagram of interferometer and four mirrors mounted on stone floating ...

Illus. and text in: On the relative motion of the earth and the luminous aether / Albert A. Michelson and Edward W. Morley. In Philosophical magazine, 5th ser., vol. 24, Dec. 1887, p. 454. Published in: The tra... more

Note on experiment, 1891 March? 18

Note on experiment, 1891 March? 18

Drawing of galvanometer with caption: "Will the heat passing through the cloth cause a current of E through galvanometer?"

[Newark athlete.

[Newark athlete.

Experimental film made with the Edison-Dickson-Heise experimental horizontal-feed kinetograph camera and viewer, using 3/4-inch wide film. Film reoriented by Gordon Hendricks. Camera, W.K.L. Dickson and William... more

U.S. Reports: Root v. Third Avenue Railroad, 146 U.S. 210 (1892)

U.S. Reports: Root v. Third Avenue Railroad, 146 U.S. 210 (1892)

Description: U.S. Reports Volume 146; October Term, 1892; Root v. Third Avenue Railroad Company

[Dickson experimental sound film] /

[Dickson experimental sound film] /

Experimental sound film made for Edison's kinetophone -- a combination of the kinetoscope and phonograph -- but apparently never distributed. This LC copy is silent. Features two men dancing to a violinist. Sho... more

[Students in a chemistry class conducting an experiment, Western High School, Washington, D.C.]

[Students in a chemistry class conducting an experiment, Western High ...

No. 5. In album: "Western High School." Forms part of: Frances Benjamin Johnston Collection (Library of Congress).

[Group of young women studying static electricity in normal school, Washington, D.C.]

[Group of young women studying static electricity in normal school, Wa...

Frances Benjamin Johnston Collection (Library of Congress).

[School children conducting simple experiments, Washington, D.C.]

[School children conducting simple experiments, Washington, D.C.]

No. 350. In album: "Public Schools - 7th Division." Forms part of: Frances Benjamin Johnston Collection (Library of Congress).

[Students in a chemistry class conducting an experiment, Western High School, Washington, D.C.]

[Students in a chemistry class conducting an experiment, Western High ...

No. 7. In album: "Western High School." Forms part of: Frances Benjamin Johnston Collection (Library of Congress).

[View of Kitty Hawk, North Carolina, photographed by the Wright brothers in the vicinity of their 1900 camp, where they conducted their first gliding experiments in October]

[View of Kitty Hawk, North Carolina, photographed by the Wright brothe...

Title from: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 46. Attributed to Wilbur and/or Orville Wright. Reference copy in LO... more

[View of Kitty Hawk, North Carolina, photographed by the Wright brothers in the vicinity of their 1900 camp, where they conducted their first gliding experiments in October]

[View of Kitty Hawk, North Carolina, photographed by the Wright brothe...

Title from: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 46. Attributed to Wilbur and/or Orville Wright. Reference copy in LO... more

[View of Kitty Hawk, North Carolina, which includes the bay, photographed by the Wright brothers in the vicinity of their 1900 camp, where they conducted their first gliding experiments in October]

[View of Kitty Hawk, North Carolina, which includes the bay, photograp...

Title based on reference print and information in: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p.46. Attributed to Wilbur and/o... more

[View of Kitty Hawk, North Carolina, photographed by the Wright brothers in the vicinity of their 1900 camp, where they conducted their first gliding experiments in October]

[View of Kitty Hawk, North Carolina, photographed by the Wright brothe...

Title from: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 46. Attributed to Wilbur and/or Orville Wright. Reference copy in LO... more

[Carlisle Indian School, Carlisle, Pa. Experiments in physics class]

[Carlisle Indian School, Carlisle, Pa. Experiments in physics class]

Title and other information transcribed from unverified, old caption card data and item. Frances Benjamin Johnston Collection. Caption card tracings: Schools Classes ca. 1900; Indians Education; Shelf.

[Page from album of flight experiments at Baddeck, Nova Scotia with sketch of kite, annotated with text; and photograph of kite in flight]

[Page from album of flight experiments at Baddeck, Nova Scotia with sk...

Photo no. 34. In album: Photographs, 1902 (Photographs belonging to Volume IV), page 16, no. 10-1-16. Forms part of: Gilbert H. Grosvenor Collection of Photographs of the Alexander Graham Bell Family (Library o... more

U.S. Naval Academy, Annapolis: experiments in wireless telegraphy

U.S. Naval Academy, Annapolis: experiments in wireless telegraphy

Title and other information transcribed from unverified, old caption card data and item. Frances Benjamin Johnston Collection. Caption card tracings: Boats...; Telegraph; Artillery; Military education; Pres. I.... more

[Harvey Washington Wiley, looking through optical instrument in laboratory at the U.S. Department of Agriculture Bureau of Chemistry]

[Harvey Washington Wiley, looking through optical instrument in labora...

Photo made for article in N.Y. Herald, 1902 May. Harvey W. Wiley Collection.

[Kill Devil Hill, where the first gliding experiments were conducted by the Wright brothers in 1900; Kitty Hawk, North Carolina. Orville Wright, accompanied by his brother Lorin, his nephew Horace, and his friend Alexander Ogilvie, of England, arrived for the purpose of conducting gliding experiments with a glider resembling the 1911 powered machine but lacking its motor]

[Kill Devil Hill, where the first gliding experiments were conducted b...

Title based on: Wilbur & Orville Wright, pictorial materials: a documentary guide / Arthur G. Renstrom. Washington: Library of Congress, 1982, p. 113. Attributed to Wilbur and/or Orville Wright. Reference copy ... more

Franklin's experiment with the kite

Franklin's experiment with the kite

Benjamin Franklin and another man flying kite from doorway.

Microphonic air gap

Microphonic air gap

Verso: "Showing bead of moisture ans metaliic dust drawn together by the capillary action of contact space. Width of gap about 1/4000". It was transmitting sound very strong, during and after taking of picture.... more

Microphonic contacts by transmitted light

Microphonic contacts by transmitted light

Originally housed in envelop labeled: "Roy M. Allen 1926." Verso: "represents about 1/200" length of contact, Roy M. Allen, Bloomfield, N.J., Photomicrograph, subject: Microphonic Contacts by transmitted light.... more

Microphonic contacts by transmitted light

Microphonic contacts by transmitted light

Originally housed in envelop labeled: "Roy M. Allen 1926." Verso: "Roy M. Allen, Bloomfield, N.J., Photomicrograph, subject: Microphonic Contacts by transmitted light. No. C-80, magnification 540x."

Microphonic Contacts by opaque illumination

Microphonic Contacts by opaque illumination

Verso: "Roy M. Allen, Bloomfield, N.J., Photomicrograph, subject: Microphonic Contacts by opaque illumination. No. 1066, magnification 300x." Originally housed in envelop labeled: "Roy M. Allen 1926."

Microphonic contacts by opaque illumination

Microphonic contacts by opaque illumination

Originally housed in envelop labeled: "Roy M. Allen 1926." Verso: "Roy M. Allen, Bloomfield, N.J., Photomicrograph, subject: Microphonic Contacts by opaque illumination. No. C-81, magnification 1125x."

A close up of the contacts of Morse key microphone

A close up of the contacts of Morse key microphone

Originally housed in envelop labeled: "Roy M. Allen 1926." Verso: "Roy M. Allen, Bloomfield, N.J., Photomicrograph, subject: A close up of the contacts of Morse key Microphone. No. C-82, magnification 15x."

Microphonic air gap

Microphonic air gap

Verso: "...after microphonic action has been secured by adjustment. Mettalic dust has formed from + electrode. Gap widened to about 1/400" to show magnetic nature of dust. Roy M. Allen, Bloomfield, N.J., Photom... more

Demountable employee housing.This brand new type of housing accommodation was developed through several intermediate steps and experiments in prefabrication, in answer to the TVA (Tennessee Valley Authority's) need for housing for temporary use on construction projects in remote localities. The scheme permits fabrication at a distance from the job (about 600 miles in this instance), thus reducing dependence on overtaxed accommodations at the construction project. After completion of the project, the demountable housing is quickly removed elsewhere. Some of the earlier TVA demountables have been moved three times from project to project. The design shown here is particularly light in weight due to full use of the recently developed stressed-skin system of plywood construction. It is built largely of weatherproof plywood. The large bay across the front greatly enhances the size of the living room. The trailer houses, on the basis of experience to date, are entirely competitive in cost with traditionally constructed housing of the same floor area. On account of being constructed in shops rather than in the field, they are produced with much closer tolerances, considerably better finish, and with equipment designed and constructed with greater detail and superior utilization of space

Demountable employee housing.This brand new type of housing accommodat...

Original Tennessee Valley Authority (TVA) number: K 1860. Title and other information from caption sheet entry. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division... more

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