. Bell telephone magazine . n easierresponse to tractive effort thanlighter plows of earlier design. The train also includes a cable reel trailer, other tractors for changingreels, and the indispensible controltrailer. The control trailer follows immedi-ately behind the plow. From it areoperated by remote control the hy-draulic rams which move the plowshare up and down to produce thedesired depth of cut and which alsoswing it to change the angle of thecutting edge to meet different groundconditions. This also permits root-ing out the slot and placing the cablein it at uniform depth even over u
. Bell telephone magazine . n easierresponse to tractive effort thanlighter plows of earlier design. The train also includes a cable reel trailer, other tractors for changingreels, and the indispensible controltrailer. The control trailer follows immedi-ately behind the plow. From it areoperated by remote control the hy-draulic rams which move the plowshare up and down to produce thedesired depth of cut and which alsoswing it to change the angle of thecutting edge to meet different groundconditions. This also permits root-ing out the slot and placing the cablein it at uniform depth even over un-dulating ground—an important newfeature, first introduced in this plow. Hydraulic power with a force of up-wards of 50 tons is also available forrooting out boulders and stumpswhich obstruct the route. In thisfashion the operator can chewthrough a particularly tough stretchof terrain in a series of sweeps of theplow share. Ten-ton pebbles havebeen rooted out of the way by C-60. Keeping Our Automotive Equipment Modern 91.
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Keywords: ., bookauthoramerican, bookcentury1900, bookdecade1920, bookyear1922
