Electrical News. Generation, Transmission and Application of Electricity Volume 25

Electrical News. Generation, Transmission and Application of Electricity Volume 25

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...from the very beginning of the farming industry various implements to aid him in reducing the manual and animal labor involved in farm work. Until very recently, however, these implements were of crude construction, and as a consequence the amount of labor required of the farmer for a given output was very great and his working hours were necessarily long. Most authorities consider the year 1850 to be the beginning of this transition period. Since then, successive years have seen continuous imdesign and manufacture of agricultural power machinery, and its adoption on farms of appreciable size has been practically universal. The substitution of machinery for hand and animal labor has resulted in many notable reductions in both time and cost of producing and handling the output of the farm. Not only has the use of farm machinery reduced the cost of farm products, but it has also been an aid in improving their quality, due to the more scientific methods of planting and harvesting which it has rendered possible. provement in the Electricity eliminates the drudgery and danger of filling and cleaning oil lamps, and is always available at an instant's notice by the simple turn of a switch. VVhen desired, the electric lamps can be arranged to be turned on and off at a distance, from several points, by the simple push of a button or turn of a switch. Not only may electric lights be used in farm buildings, but in the barnyards as well. /'Vhen necessary, harvesting can be done by using portable are lamps. Luminous arcs and flaring arcs are especially adapted for the illumination of large areas. while for the lighting of buildings the tungsten lamp is recommended. preciably increase the temperature of a room unless they are designed for that...show more

Product details

  • Paperback | 518 pages
  • 189 x 246 x 26mm | 916g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236863941
  • 9781236863942