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 896
he side ovens, of which two cc can be heated by separate fires k k\ the damper S, Fig. 2125, shutsoff the flame from the furnace A when required. The uprights iiii separate the working spaces ofthe glass-blowers, who obtain access to the glass in the pots through the working-holes eee. Imme-diately… … working-holes are made as narrow as possible, and consequently much smaller than the pots; when itis necessary to change the latter, they are removed through the side arches, of which there are two inevery furnace, and these are kept constantly bricked up, except when actually in use. Chimneys I…
Mechanical engineering
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