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 899
Flint-glass is either formed by simple blowing with the pipe, by blowing in moulds, or by mouldsiione; in every case the form can be improved, as is generally done, by grinding, etc. The moulds are carefully constructed of brass or iron, and are somewhat wider at the upper part,when of simple…
Mechanical engineering · Mechanics · Engineering
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