Central City Colorado Hoisting Equipment Mining Rare Engraving 1870

This steel engraving print is out of a very rare book, Report of the Geological Exploration of the Fortieth Parallel. Clarence King Geologist, Volume III, Mining Industry by James D. Hague. Government Printing Office 1870.

"Hoisting is done with a bucket. The winding apparatus is driven by belting. As this method of hoisting is in general use in Colorado a somewhat detailed description of it here may serve as an example. The contrivance is very simple, and, though not well adapted to deep shafts or heavy work, it answers its purpose very well in shallow mines, and gives much satisfaction. The general method of arrangement is indicated in Figs. 1 and 2, on Plate XXXL,” Report of the Geological Exploration of the Fortieth Parallel, Page 518.

Size of sheet is overall length 9" X 11 1/2" wide, image 6" X 8 1/2".

Condition: Crisp and clean. Once framed this map will be an excellent example of a historic print that is 132 years old.

Shipping Terms: High bidder pays winning bid plus USPS MAIL.

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