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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 301

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 301
Q _9 J … 780. GAS-HEATED HARDEN-ING AND TEMPERING FUR-NACE for small articles, as bicyclecones, shells, or any articles that can beplaced on the pins and carried throughthe furnace at the proper speed forthe required temperature and droppedinto the water bath. The heat is regu-lated by the gas and air…

Mechanical movements

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