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Scientific American, Vol. 60, No. 9 (1889) (1889)
leaf 3
en the spiral head and the The actual working current was, therefore, ex- pointer, L, to the center of the crank-pin. foot stock. The frame is hollow, and fitted as a closet to hold the small parts that accompany the machine. There should have been no unusual The countershaft is usually run at… … solutions will not act as dyes at all. very considerable, © 1889 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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