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 279
nder aroundthe flame section. A central metallicchimney d, arranged to separate the in-coming air at a through the wire gauze,while the products of combustion pass upthe central chimney. By this arrangement the flame is fedwith purer air than when the centralchimney is not used. 273 *;4 MINING… … 710. WELL-BORING TOOLS. d, broad edge reamer ; e, composite flaring reamer ;/, shoulder reamer ; g, double-cutting cross reamer ;lu spring circular blade reamer, allfor truing and enlarging holes. u
Mechanical movements
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