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Scientific American, Vol. 88, No. 11 (1903) (1903)

leaf 13

An illustration from Scientific American, Vol. 88, No. 11 (1903), 1903, leaf 13
MarcH 14, 1903. … Surgical needle, + 722,133 Switch, J. N. + 722,024 Switch actuating mechanism, 721,688 20TH CENTURY CUT ELECTRIC LAUNCH MOTOR. — THE REMOH DIAMONDS Syringe, vaginal, D. McPherson.......... 722,130 design in this paper is for a motor of unusual simplicity THOMAS B. JEFFERY & CO., Table adjustable…

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