Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 274
ARMATURES, 26i The following figure shows a good type of three bars per pole winding,which is simple in construction. … Two-phase Wineliiisrs. — The following diagram shows a good typeof winding for quarter-phase machines. It utilizes the winding space togood advantage, and is applicable to any number of coils per pole per phase.
Electrical engineering
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