Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 907
2163. wemsm … Flint-glass is either formed by simple blowing with the pipe, by blowing in moulds, or by mouldsalone; in every case the form can be improved, as is generally done, by grinding, &c. The moulds are carefully constructed of brass or iron, and are somewhat wider at the upper part,when of simple…
Mechanical engineering
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