Society of Glass Technology · [Sheffield] · leaf 538
raised suffici-ently, slip inwardsand clear the angle-pieces. Materialescaping through theopenings in the drumis received by one ormore oscillating plates, 13, actuated by a cam, 14, and heated bygases from a furnace,16. The m a t er i alpasses to another plate, 15, which may also beoscillated, and… … Fig. 99.The drum is driven through toothed 160 JOURNAL OF THE SOCIETY OE GLASS TECHNOLOGY. 218. Potash Recovery at Cement Plants. A. W. G. Wilson (J. Soc. Chem. IiuJ., 1919, 38, o14t).—During the production of350 lb. of cement, from 2 to 7 lb. of potassium salts, together withsodium and lithium…
Glass
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