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Scientific American, Vol. 44, No. 15 (1881) (1881)

leaf 6

An illustration from Scientific American, Vol. 44, No. 15 (1881), 1881, leaf 6
r other nerve would diminish its sensibility, and for that purpose in- receptacle. vented a small instrument whereby a succession of rapid the lower end of the tool is engaged upon the drilling tool blows could be kept up upon the skin. Many physicians in The sieve consists of a cylinder having… … sired effect by driving relieve pain. The action of metallic applications—metallo- down and rotating the therapy—of which we have heard so much ix the last few tool, causing it to se- years, was best explained on the theory of vibrations by curely grapple with Vigouroux, who proceeded to experiment…

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