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Scientific American, Vol. 84, No. 12 (March 1901) (1901)

leaf 4

An illustration from Scientific American, Vol. 84, No. 12 (March 1901), 1901, leaf 4
h pulsation; the paper, the paper being pressed down upon the Third; To provide a system whereby a large num- (2) Winds the main spring, 4 (Fig. 5); ber (several hundreds, if so desired) of these machines serrated periphery of the wheels by two small pressure (3) Winds the traversing spring, 5… … said toothed wheels, 31, the automatic movements thus preserving a constant of the machine. Fig. 3.-DETAILS OF PAPER FEED AND -TYPEWHEEL POSITIONING MECHANISM Fig. 5. tension upon the paper. The operation of the RELEASING GEAR. AND ESCAPEMENT. This tension is resisted printing-telegraph, so far by…

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