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 89
Fig. 40. Suspended or Disk Type of Insulator Many line insulators are of the yetiicMat type and are made upin various shapes and sizes. The larger size porcelain insulators aremade up in two or more pieces which are fastened together by meansof a paste formed of litharge and glycerin. The…
Electrical engineering
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