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  • All fields: 20-ies
(3 results)



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    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Farm tractors; Cletrac tractors; Cleveland Tractor Company
    • The tractor is towing the first test car and the special load car. In addition two other Loading Tractors are being towed. A company driver is on the Cletrac and an NTTL engineer is in the tractor test car. Caption on back of photo reads, "From...
    • Larsen Tractor Museum, Records

    • Farm tractors--Testing; Tractors--Testing; Crawler tractors
    • "Early test of an unidentified large crawler tractor." Bird's-eye view of crawler tractor towing the first ("bathtub") test car and other tractors on a dirt track. The tractor with the stack looks like a Hart-Parr or a Rumely.

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