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 308
WfiRk Wm&tilA fllfll1311mwmmlm 111 iflEii liiia COINING MACHINE. 301 hours, and when all tilings work well, an oven must be heated and discharged in 24 hours. This, how-ever, depends very much on the quantity of coal which is charged. A high stratum requires a dispro-portionally longer time for… … The discharging or drawing of the cokeought to be done while the oven is red hot. It must he donequickly, so as not to lose too much by combustion, and also not to cool the oven, in order that fresh coalmay inflame at once when it is charged. The door is opened, but the cast-iron plate which shuts…
Mechanical engineering
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