Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 244
d) and the motorsrevolve at the same speed in the opposite direction, therewill be no rotation of the arms; (b) motors revolve at differentspeeds, the arms will turn at a speed of half the differenceof the motor speeds, and in the direction of the greater one.(3) If shaft 5 S is fixed, instead of P… … ,- s \ j B s\ / =^ nM 1^ ^ \ ^ 1 P T^—~ -— A^ A c S
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