Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 361
Fig. 313.—SiemensSliuttle Armature. Cross-section ofShuttle Armature. … Fig. 314.—Single Ar-mature Coil withTwo-part Com-mutator. the permanent magnets, NS, and called a magneto generator, because the field is produced by permanent magnets. Only one turn is illustrated, but the shuttle is filled with wire, as in the cross-sectional view. This construction is only,…
Electricity · Magnetism
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