37 Matching Results

Search Results

Results: 1 - 24 next

[Photograph of Fordson Demonstration]

Description: Photograph of a group of men standing in front of an around an automobile and tractor, which are parked facing each other. The automobile, pictured on the left, has the name "Fordson" on the side. The ground in front of the group is rough and filled with rocks. The photograph is faded at the top, obscuring the background, and the back of the photograph is so worn that the handwritten notes about the photo are barely legible.
Date: 1920
Item Type: Refine your search to only Photograph
Partner: Patrick Heath Public Library

[Tractor and Reaper]

Description: Photograph of two unidentified men wearing hats driving a tractor and a McCormick-Deering reaper on a grassy plain with a structure in the background; the name "McCormick-Deering" is visible on the side of the reaper.
Date: July 1925
Item Type: Refine your search to only Photograph
Partner: Panhandle-Plains Historical Museum

Wheel-Tread.

Description: Patent for improvements on tractor wheel tread design, the structure of which was previously submitted by the inventor in 1918. This improved wheel tread makes the structure stronger and more compact.
Date: March 29, 1921
Creator: Ingram, Joseph D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tractor.

Description: Patent for an improvement in tractors that allowed adjustment to the tread or allowed distance between traction elements.
Date: February 10, 1920
Creator: Franklin, Floyd P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tractor-Coupling

Description: Patent for tractor coupling. The object of the invention is to provide a coupling for tractor and plow. When a plow hits an obstruction, the coupling will automatically disengage tractor and plow without breaking any parts.
Date: December 21, 1920
Creator: Hart, Lawrence H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tractor

Description: Patent for an improved tractor where the "propelling force is delivered through traction blocks...(lines 11-12)."
Date: March 22, 1921
Creator: Aerl, Van Vivian
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tractor.

Description: Patent for improvements to the tractor with adjustable framework for the wheels (narrower or wider).
Date: March 23, 1920
Creator: Weaver, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen