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Scientific American, Vol. 56, No. 19 (May 1887) (1887)

leaf 8

An illustration from Scientific American, Vol. 56, No. 19 (May 1887), 1887, leaf 8
rated utilized, As the empire of China is the largest on the sheet brass, or other sheet metal, with a narrow in- was at once suggested. The elastic rubber strips ternal flange or fillet at used in the experi- the top for receiving the —^a^^,^,,, ment (which were sev- cover glass, and a wider… … REPULSION OF ELECTRIFIED THREADS. A ring containing a manner. ©1887 SCIENTIFIC AMERICAN, INC.

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