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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 60

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 60
81. FLASH COIL BOILER. Made withtwo open coils of iron pipe interlocked so thatthe central space is occupied by a useful steam-generating surface. This form gives a large generating surface in asmall space. … 82. FINGER TUBE BOILER. Theshell is made of thick tubing for small boilersor x/2 inch plate for larger size. The fingersare of short pieces of pipe welded at one endwith a square head for a wrench and screwedinto the shell, using ordinary pipe threads.The connecting tubes are not essential andmay…

Mechanical movements

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