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Drawing

John Muir Clock

Date: 1863
Description: Muir's illustration of a means to record time by use of a star. He titled the drawing "The star hand rising and setting with the sun all the year".
Drawing

Fancake Draught

Date: 1863
Description: A John Muir sketch of a fancake draught of sawframe with crankshaft in position. Scale two inches per foot. Depth of frame 5 1/2 inches. Speed of cranks...
Drawing

Graph Invention

Date: 1863
Description: A sketch of a graph-making invention.
Drawing

Pulleys on Crankshafts

Date: 1863
Description: A sketch of pulleys on crankshafts.
Print

J. Wesley Carhart

Date: 1880
Description: Engraved portrait of J. Wesley Carhart of Racine, Methodist minister, physician, and inventor of a steam-powered automobile in 1871. Although impractical, ...
Photograph

Men Posing with McCormick Binder

Date: 1899
Description: A group of five men are standing and sitting around a McCormick grain binder.
Photograph

Experimental Tractor

Date: 1896
Description: 40 H.P. experimental tractor. Original caption reads: "40 H.P., Built in 1896."
Document

McCormick's 1834 Reaper Patent

Date: 1897
Description: Official copy of Cyrus McCormick's 1834 reaper patent. This copy was made by the Patent Office at the request of the McCormick family.
Photograph

Model Gun

Date: 02 1862
Description: Tintype of a model gun intended to accompany a patent application. The five-barreled gun, invented by William Bradford, is mounted on wheels.
Document

McCormick's 1834 Reaper Patent

Date: 1897
Description: Official copy of Cyrus McCormick's 1834 reaper patent. This copy was made by the Patent Office at the request of the McCormick family.
Manuscript

Letter from William Bradford Describing Gun Invention

Date: 02 13 1862
Description: Letter describing gun invention and Bradford's intentions for improvements.
Photograph

Withington Wire Binder

Date: 1876
Description: A Withington wire binder sits on display inside a building at the Centennial Exposition, the first official World's Fair in the United States.
Photograph

S.S. Morton Tractor

Date: 1899
Description: Three-quarter left side view of a tractor built by S.S. Morton. The photograph is labeled, "The Predecessor of the International Line."
Photograph

Carhart Automobile

Date: 1873
Description: Automobile made by J. Wesley Carhart, Methodist minister of Racine, later of Oshkosh, Maryland and Texas. The vehicle was dismantled and the engine used to...
Document

Columbian Exposition Diploma of Honorable Mention

Date: 12 24 1894
Description: Diploma of honorable mention presented to Stephen M. Babcock by the Board of Lady Managers of the Columbian Exposition. The document honors Babcock's inven...
Magazine or Periodical

Edison's Electric Generator in Scientific American

Date: 10 18 1879
Description: Depiction of Edison's Electric Generator in the weekly journal of practical information, art, science, chemistry and manufactures. It is an electrical gene...

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