Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 323
ttle, over which it presents fnanyadvantages. It is more com-fortable and pliable, adjustingitself to any part of the body.It will not cool off, but willkeep the correct temperatureas long as wanted. It is softand flexible, covered witheiderdown, can be used mi anyposition, and is so light that it… … Fig. 35. Westiughou.se Electric Heating Jad ELECTRIC HEATING 19 Instrument Sterilizer. One of the best applications of electricheat is for the sterilization of surgical or any other instruments,
Electrical engineering
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