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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 900

An illustration from Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes, 1873, leaf 900 — 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… … Fig. 2164, intended for a decanter; a section of the mould :s shown in Fig. 2163. The bottom e and the sides a of the body form the lower and larger part of the mould, and are held together by the screws b b ; the upper smaller part consists of two halves, meet- ing in the line z z, which open…

Mechanical engineering · Mechanics · Engineering

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