The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 494
s, that fresh coal is first carbonised, that is, the gas isseparated from it and inflamed, leaving only coke, which, being slowlypushed forward, supplies the coke fire; and the combustion or burning ofthe coke produces heat enough to carbonise the coal, and air enough toinflame the gas:… … Description of the Section, a. The hopper, where slack is put in at thedoor b. d, An oblong square box the width of the furnace, fitted with ascrew and cross bar, by which the pusher or presser, c c, is moved back-wards and forwards at pleasure, in order to let the coals down from thehopper, or…
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