Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 151
Fig 2. Fig. 3. Fig. 4. Short-distance electric and electro-magnetic transmission of energy,magnetic circuits. In the figures from / to 12, inclusive,I\ Q, R, represent armatures and armatured shafts, andA, B, C, fields and field coils. Eleciro-mag)ietic Transmission of Energy is understood tomean…
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