Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 354
Fig. 216. 224. Siemens* Dynamo.—Much power is lost inClarkes machine through the bobbins never being in thestrongest part of the field, that is, between the magnet poles.To remedy this defect, Siemens armature (Fig. 216) was 33^ Electricity. [Bookin. invented, consisting of a long iron framework…
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
