Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 876
FiG. 20. Gray telautograph. Fig. 21. cession. Each of the shafts is also provided with a second cord, which is wound upon theshaft in the direction the reverse of the cords, F G, and is connected to a spring- which keepsthe cords, F and G, taut at all times. Each of the cords passes between guides…
Mechanical engineering
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