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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 326

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 326
s a diamond drill for mak-ing the hole in the ruby plate ; d is a tool ofsteel wire to be used with diamond dust indrilling jewels ; e, j are two views of a tri-angular fragment of diamond mounted fordrilling china or porcelain ; g is a squarestone mounted for the same purpose ; h is ametallic tube…

Mechanical movements

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