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 332
-SECO/VOARy O/L CMmELS--SECONOAf?y5PAC/A/G BLOCK __J Fig. 254. Details of Core and Coils Showing Oil Ducts 294 ALTERNATING-CURRENT MACHINERY 2S1 /^JCA SM€IDS … O/LDUCT 0/t Fig. 255. Plan of Assembled Core and CoilsShowing Four Magnetic Circuits in Parallel
Electrical engineering
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