Practical electricity .. with questions and answers (1911)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 103
Diagram of magnetic circuit of Lincoln 2-pole dynamo.Leakage coefficient 1.1. … Diagram of magnetic circuit of G, E. 14-pole alternator dynamo.Leakage coefficient 1.25.
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
