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 409
and so on until the last section is reached, where, the finer middlings having been previously sep-arated from the coarse middlings, and the latter only remaining, a very coarse cloth can be used anda very strong draught of air applied. The conveyers below the sieve are supplied with the…
Mechanical engineering -- Dictionaries
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