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 474
are washed with a mixture of charcoal or plumbago dust and water, the mixture being sometimesapplied two or three times. A strong cross-piece of iron is then fastened to the top of the cope,hoisted by means of a crane upon the carriage, and taken to the oven. After both core and cope have been…
Mechanical engineering -- Dictionaries
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