Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 33
hey 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…
Mechanical engineering · Mechanics · Engineering
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