tL's phOTOGRAPH_oF_tHE_dAY #1669 - The Wallis tractor was popular in the 1920s, up until the name was dropped in 1938 after a family split & corporate mergers; 20 years after the first patent designs. The chassis construction & a one-piece, U-curve boilerplate frame served as the housing for the engine, transmission and differential. And the advantages of a one-piece frame, as Henry Ford realized, was a benefit of work force efficiency and the value of material savings.
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