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 266
Fig. 113. Wiring Showing Use of Armored Cable lined with a heavy paper impregnated with some material to excludemoisture. This is, however, going out of use and almost all conduitwork is now done with unlined pipe. Conduit, however, differs fromordinary commercial pipe such as is used for gas,…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
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