The Edison Monthly Volume 8

The Edison Monthly Volume 8

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 edition. Excerpt: ...present Lambert Brothers' factory on Third Avenue there is little except the craftsman skill that would have been found in the shop of forty years ago. Electricity in one form or another dominates almost every process. It provides air under pressure to melt metals; motor-driven fans ventilate the shop, and at the same time collect dust that yields as much gold as some of the streams of the Sierras; motordriven rollers reduce bars of metals to tissue thinness, while buffers and lathes play an important part in manufacturing and finishing the various articles. And last, but by no means least, a motor winds the watches. To the layman a motor-driven watch-winder sounds like the last word in laziness. To the watchmaker who, the more time he has on hand the more time he needs, this little electric device is a saver of many precious moments. To wind the seven hundred watches that are usually on the hooks of the Lambert repair department required approximately seven hours, assuming that one man wound a hundred watches an hour. Few men could work at that speed for any considerable length of time. With this electric winder the work is done in considerably less than two hours. The operation is simple. A small motor, transmitting its power by friction, drives a shaft at the end of which is a socket to engage the stem of the watch. The watchmaker simply holds the stem in the socket, presses hard enough to engage the friction wheels and the motor does the rest. When the watch is wound the tightened spring overcomes the friction and the motor is disengaged. An Electric Hall Boy CURRENT has not been content with applying itself in every department of the modern dwelling; it has posted itself now at the very entrance. Such is this device that the door, on the...show more

Product details

  • Paperback | 174 pages
  • 189 x 246 x 9mm | 322g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236564650
  • 9781236564658