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Scientific American, Vol. 37, No. 20 (1877) (1877)

leaf 4

An illustration from Scientific American, Vol. 37, No. 20 (1877), 1877, leaf 4
gun similar studies, and M. Havet, of the Society’s Com- of registering these movements by holding before the nos- ties, and itsores generally occur associated with mission, undertook a series of experiments. These have trils a cold, highly polished mirror. Whenever the veil of those of the… … For each mens of which often contain as much as26 per cent of co- curve the same order is observed. Thus the nasal pressure deaf mutes, by conveying to the mind of the latter the ne- balt, cobaltine, or cobalt-glance, a sulph-arsenide of cobalt atthe top may be normal when noted during the…

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