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 806
cked with the signals.^Rousseaus Automatic Signal consists of a disk (Fig. 3940) which revolves on a vertical shaft moved by clock-work. This vertical shaft has four hori-zontal arms, which, coming in contact with a stop E, pre-vent the rotation of the disk. The stop E carries anarmature of an…
Mechanical engineering -- Dictionaries
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