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Scientific American, Vol. 32, No. 21 (May 1875) (1875)

leaf 7

An illustration from Scientific American, Vol. 32, No. 21 (May 1875), 1875, leaf 7
article in answer to an inquiring corres- says he is able to produce the phenomenon in a quite intelli- spoken of in the highest terms. They also refer to Messrs. pondent on the uses of the bedbug, here is something which gible way. He magnetizes a bar to saturation with a cur- Studebaker Bros., of… … on to the spools. The manipulation of the machine sheet tin of commerce, brighten, and plunge into a very is a very simple matter, a child being usually conipe. TOMPKINS' YARN SPOOLER. weak copper-plating solution, in connection with a vol- tent to attend it. taic batterv of a very low quantity. In…

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