Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 35
are muchcurved in both directions, as represented in Figs.47 and 48; the smaller is beautifully formed, andresembles in shape a handsome bullocks horn, theother is furrowed throughout its length, and ap-pears the result of disease or injury. The choice of ivory in the tooth is admitted bythe most…
Mechanical engineering
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