Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 314
2S33. … be placed in any determined position. If now the dial be turned around four times, the wheel dmust be moved before or at the end of the revolutions by means of the pins in the wheels successive-ly colliding. Suppose the wheel d to have its pin so placed that when the number 20 stands oppositethe…
Mechanical engineering -- Dictionaries
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