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 88
CondenserFig. 75. Induction Coil, and Diagrammatic Representation of Same. other automatic arrangement for making and breaking the circuit ofthe primary. ^Vhen the current is first started in the primary, it magnetizesthe core C. Thereupon the iron hammer h is drawn away from itscontact with d and…
Electrical engineering
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