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 359
> P Pi 5 O o ELECTRIC RAILWAYS 217 All types of bonds must be installed with great care if theyare to be efficient. Unless the bond terminal thoroughly fills thehole and is tightly expanded into it, moisture will creep into thespace between the copper and the iron, and the copper will…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
