. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 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 82. FINGER TUBE BOILER. The shell is made of thick tubing fo
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 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 82. FINGER TUBE BOILER. The shell is made of thick tubing for small boilersor y^ 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 connecting tubes are not essential andmay be omitted. An excellent boiler foramateur practice. 56 GENERATION OF POWER, STEAM. 83. DUPLEX WATER TUBE
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
