Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 410
Fig. 187. Coils, Air Ducts and Separators for Transformer. This transformer (Fig. 185) lowers the voltage and iscalled a step down transformer. When the secondary is connected to the alternator, thetransformer raises the voltage and is called a step uptransformer. The coils of a transformer must be… … jF*- ..
Electricity
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