Society of Glass Technology · [Sheffield] · leaf 443
ting sphere of 301 square feet, I calculatethat refined glass would fall into the tank at the rate of 2 lb. persecond. In regard to the fuel, my proposal is that the coal should passfrom the bins through screw conveyors and entirely air-tight pas-sages, crushers, and valves to the retort or… … Fig. 2. about half through the retort, and the coal would become quaggyand sticky, the hydrocarbons ethane, methane, and ethylene beingsucked out as soon as freed, but the temperature of the retortwould be kept low enough to keep in the tar and so deliver what istechnically known as soft coke. The…
Glass
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