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 913
N a 2171 Fig. 2168. Horizontal projection of the fumace and crucible.Fig. 2170. Section along the line E F, Fig. 2168; that is to say, alongthe II iio.Fig. 2169. Vertical section along the line C D of the plan.Fig. 2171. Vortical section along the line A B of tho plun … stirring then takes place, which lasts about an hour and a quarter. The crucible, the chimneys anil theopenings are to be closed, as for flint-glass, and the whole is left to cool. Very commonly, as with flintlass, a mass and several fragments are obtained. GLYPHOGRAPHY. 903 Parallel faces are made…
Mechanical engineering
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