Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 441
Fig. 12.—Armature of Siemens machine. great intensity, far surpassing the current developed by the littlemachine. Thus he was enabled to get a very great current, sufficientfor electric lighting. This next slide is a Siemens machine, made also with permanenthorse shoe magnets (Fig. 11). You will… … Fig. i:i.—a Gramme macliine. the coils of the armature being between the pole pieces. This centralpart is a mass of iron, and the coils of wire run longitudinally aroundthe core. (Fig. 12.) This machine, as originally constructed, had simply Dec, 1884.] Dynamo-Electric Machinery. 419 a single…
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