Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 221
Fic. I-. —FitM-inagnets. nion hollow pole-pieee. einbnu-inja portion of the periphery of thering. No. 5 shows the well-knownform of Siemens, with arched ribsof wrought iron, having conse-quent poles at the arch. Thecireiiit is here of insufficient cross-section. No. <) depicts the formadopted by…
Mechanical engineering
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