Alternating-current machinery: a practical treatise on alternating-current principles and systems, commercial types of alternators, synchronous motors, transformers, converters, induction motors, switchboard and station appliances, etc. (1912)
American School (Chicago, Ill.), Esty, William, 1868-1928 · Chicago, American School of Correspondence · leaf 296
rs inside thecase, as shown at the rightin Fig, 242. The terminalsof each half of the secondary(coarse-wire) coil are passedthrough porcelain bushingsto the outside of the case, asshown at the right in Fig.242. The half coils of theprimary may be connected inparallel or in series accordingto the… … Fig. 242. Section Through CommercialCore-Type of Transformer Primaries in Series Primaries in Parallel
Electric machinery -- Alternating current
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