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 939
ar at pleasure by the pressure of a button. When one wheel is thrown into gear, of course theother is thrown out, so that the winding of the watch and the setting of the hands are done inde-pendently and without interference. An inspection of the figure will afford all the explanation thatcould be… … Mass., and is remarkable for the beauty and accuracy of its construction, which will readily be under-stood by reference to the engraving. The hollow spindle and spring-chuck, and double taper bearings 4220.
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