. 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. 11 iii**. i66 ELECTRIC POWER AND DEVICES. 394. ELECTRIC WIRE INSULATING DEVICE. Four-spool First layer of silk wound left hand, second layer of whiteSilk Insulating Head ^ au d colored cotton /% ^<^White Cotton wound right hand. Thetwo pairs of spools andf
. 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. 11 iii**. i66 ELECTRIC POWER AND DEVICES. 394. ELECTRIC WIRE INSULATING DEVICE. Four-spool First layer of silk wound left hand, second layer of whiteSilk Insulating Head ^ au d colored cotton /% ^<^White Cotton wound right hand. Thetwo pairs of spools andframes revolve in op-posite directions that thewrappings may crosseach other. The take-up wheel regulates thetraverse of the wirethrough the machine.
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
