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 471
.Fig 3133 represents several examples of coring. In this view the works are represented of theirultimate forms, that i* with the holes in them. In Fig. 3134, the models are arranged in the flask,with the runners all prepared, the prints of the cores being in every case shaded for distinction.Thus a… … 3135.
Mechanical engineering -- Dictionaries
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