internet dating sverige - Dating mining windlasses

A winch is affixed to one or both ends, and a cable or rope is wound around the winch, pulling a weight attached to the opposite end.

The oldest depiction of a windlass for raising water can be found in the Book of Agriculture published in 1313 by the Chinese official Wang Zhen of the Yuan Dynasty (fl. Comparison of a differential pulley or chain hoist (left) and a differential windlass or Chinese windlass (right).

Photograph of four men (two standing, two sitting) at the Bucket & Windlass, a prospecting shaft, Hard Cash Mine, Randsburg, ca.1900. Rocks and other mine debris litters the immediate vicinity. works where the copyright has expired, often because its first publication occurred prior to January 1, 1923. This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland.

This media file is in the public domain in the United States. The creator and year of publication are essential information and must be provided.

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Last modified 06-Sep-2019 04:44