tors arenot built with four-speed transmissions like manyautomobiles was given in a popular lecture recently.The speaker said that the maximum drawbar pull whichcould possibly be obtained from a tractor depended uponits weight, and this determined more or less the lowestspeed to which it was… … Fig. 1—Lower compartment and entrance end to first heating zone. Continuous conveyor japanning oven. Electric heaters shown In background. Ig. 2—Upper deck of continiven looking In direction of e:perature control instrument veyor JapanningAutomatic tern-in foreground. i May 12, 1921 AUTOMOTIVE…
Automobiles · Aeronautics
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![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-117-39.webp)
