very much cheaper than the usual forms of hydraulictraction dynamometer, and it is believed that even trac-tor owners will purchase the instrument. A Windshield Designed to Exclude Rain A WINDSHIELD designed to exclude rain, snow andcold air has recently been devised by W. D. Crowell.This shield… … Fig. 1 rain and snow and also to ventilate the enclosure backof the shield by drawing air outward in the manner in-dicated by the arrows. Gutters placed at the loweredges of the visor and the upper ^ash carry off to theside any water which runs into them. When in theposition shown, the clear…
Automobiles · Aeronautics
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