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 635
er of the small cylinder is just one-third that of the drum. The axles of both are continued throughone or both sides of the case, and the openings made tight with stuffing-boxes. On one end of eachaxle is fixed a toothed wheel of the same diameter as its respective cylinder; and these are so…
Mechanical engineering -- Dictionaries
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