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Scientific American, Vol. 66, No. 21 (1892) (1892)
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ucked on the lathe by house furnishing goods stores is quite another thing, still the latter afford the most available material for a beyond its normal position and momentarily closes the means of a concave wooden chuck secured to the face circuit on the contact screw, C. The electrical con- plate.… … from the paper strip and the drum to facilitate the in- troduction of a new paper strip. Above the drum is placed a wooden roller, the gudgeons of which are Fig. 2—-ARRANGEMENT OF THE BELL CIRCUIT, © 1892 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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