Recent improvements in arts, manufactures, and mines : being a supplement to his Dictionary (1844)
Ure, Andrew, 1778-1857, Ure, Andrew, 1778-1857. Dictionary of arts, manufactures, and mines · London : Printed for Longman, Brown, Green, and Longmans · leaf 63
e of about 250 tons, in strong metal moulds, by which means it is reduced to about one-third of its original thickness. The clay seems to have retained sufficient moisture to give it cohesion, and the tiles are perfectly sharp at the edges. They being then baked within seggars by the heat of a… … parts consist of 2 cylinders, each covered by an endless web, and so placed as to form the front and back of a hopper, the two sides being iron plates, placed so that when the hopper is filled with tempered clay from the pug-mill, the lower part of the hopper, and consequently the mass of clay…
Industrial arts · Technology
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