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Scientific American, Vol. 66, No. 17 (April 1892) (1892)

leaf 7

An illustration from Scientific American, Vol. 66, No. 17 (April 1892), 1892, leaf 7
the difference in length of the arms of the electric belts, hair brushes, tooth brushes, tripoli and forward, grasp the seat or arms of the chair, and, in lever. The stress exerted by the girl is very feeble, endeavoring to resist, make book covers. To this logic of the whole weight of their the… … again, it requires but little observations. The first exercises of the dexterity to move the subject kind under consideration date about in all directions with- Fig. 2. Fig. 1. back to 1883. They were pre- out a great expenditure of sented by Lulu Hurst, of Georgia, and were the sub- because, on…

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