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 308
eing protected by thickstrips of insulating material. In this air-blast transformer, air passagesor ducts are provided between the layers of the coils, and at intervals,between the core stampings, asshown in the figure. The airfor cooling the transformer isadmitted at the base, andpasses vertically… … Fig. 265. Sectional View of Fort Wayne Shell-Type Transformer
Electric machinery -- Alternating current
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