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 933
4197. Spokes.—For spokes, either hickory or oak may be employed, the former being especially adaptedfor light wheels and the latter for the heavy grades. As the size of a wheel is written by giving thesize of the spoke, we will give as an example a spoke that measures one inch across the…
Mechanical engineering -- Dictionaries
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