Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 1063
Fig. loiT Fig. 1012 -993] Motors 1037 … Fig. 1013 represents the essential features ofoneof the small-sized verticalmachines made by Siemens & Co., a characteristic of which is the drumarmature. The polesof the fieldmagnets MM, MM are joinedtogether, north to north andsouth to south, by massivepieces of soft iron, bent so as toalmost…
Physics
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