Elementary principles of agriculture : a text book for the common schools . elementaryprinci02ferg Year: 1913 Farm Machinery 277 infrequently in regular use for pumping water, grinding grain, separating milk and other special operations. These motors increase the capacity of the farm worker by enabling him to use and direct more power, resulting in more economical production. Fig. 177. 395. Power Versus Hand Labor. The change from hand tools to implements and special machinery has lead to the use of more power for each worker, and the Fig. 177. A suggestion for the use of power on tlie far
Elementary principles of agriculture : a text book for the common schools . elementaryprinci02ferg Year: 1913 Farm Machinery 277 infrequently in regular use for pumping water, grinding grain, separating milk and other special operations. These motors increase the capacity of the farm worker by enabling him to use and direct more power, resulting in more economical production. Fig. 177. 395. Power Versus Hand Labor. The change from hand tools to implements and special machinery has lead to the use of more power for each worker, and the Fig. 177. A suggestion for the use of power on tlie farm. From an agricultural implement catalogue. amount is governed somewhat by the ability of the worker. Man, when working alone, is able to develop only about one-eighth horse-power. When he uses, one horse, his capacity to work is increased eightfold, and if two horses are used, sixteenfold. The American farmer is not content to let his brain drive a one-horse power when two, three or four may be used to advantage. This demand for more power has stimulated the breed- ing of larger horses for draft purposes. 396. Care of Machinery. The operation of many
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