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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 306

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 306
dd is the air port designedto regulate the combustion.The flame breaks against thefire bridge, p, before reach-ing the furnace bottom,which is composed of quartzy sand and clay. In case of stoppage of the work, the flame proceeds toward the flue, B, which is normally covered by a stone A. The…

Mechanical movements

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