Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1910)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N. W. Henley publishing company · leaf 19
2. TIMBER OR LOGGRAPPLE. A handy devicefor carrying heavy timbers, joists,railroad ties, telegraph poles, etc. … 3. LEVER EQUALIZER FOR SULKY PLOWS. Twojaws, forming a double clevis, attached to the front end of the beam of the plow, and so arranged that bymeans of a series of holes in the jawsthe plow may be regulated to run at agreater or less depth, and also to cut afurrow of any desired width. Two levers…
Mechanical movements
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