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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 304

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 304
Section XIV. MINING. Quarrying, Ventilation, Hoisting, Conveying, Pulverizing, SeparatinGjRoasting, Excavating, and Dredging. … 1195. DIAMOND PROSPECTINGDRILL, operated by hand. The drill rod ishollow, with a hose connection at the top,through which water is forced to the bottomand up outside of the drill to wash out the bor-ings. The drill point is set with bort or blackdiamonds, and is revolved quickly by the cranksand…

Mechanical movements

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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