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 455
In extracting oil from seeds two processes are reqtured—1st, trituration; 2d, cxjiressioii; and tliosteps are as follows: 1. Bruising under revolving heavy-edge mill-stones, in a circular bed or trough of iron, bedded ongranite. 2. Heating of the bruised seeds, by the heat either of a naked fire or…
Mechanical engineering · Mechanics · Engineering
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