teract the motion of the motor; The boxes seen in the figures contain the special ing researches and offering material for important and, since the reaction increases with the velocity, the sleeves necessary for shafts of 6, 7, 8, 9, 10, and 12 philosophical deductions. motor will meet with a… … distance between the magnet and the moon, and Jupiter, the only star that Fig. 1.—Shadow of a Brooch Cast by Sirius. Fig. 2.—Shadow of a Spring Cast by Venus. arc may be modified at will. projects an appreciable visible shadow, The electro-magnet is excited by two and, in astronomical treatises and…
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