pment. In addition to theline drive this tractor has friction drive, which, however,is not of the disk and wheel type but consists of a fric-tion roller which is adapted to engage with either of twoconcentric friction drums, one giving a forward speedand the other the reverse. The engine has two… … February 24, 1921 AUTOMOTIVE INDUSTRIESTHE AUTOMOBILE 449 closed. The front wheels turn on steering knucklesoperated by the lines. Differential brakes are automati-cally applied by the steering mechanism and the apply-ing mechanism can be adjusted to put these brakes onwhen the steering wheels have…
Automobiles · Aeronautics
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