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 227
205 PRUSSIATE OF POTASH. vertical section, taken through fig. 121., at the line g, m k, is a connecting tube, from the retort and the elliptical pipes w. … In the section,^. 119., the shape of the tube k, will be better seen ; also its cocks u, and likewise its connection with the pipes w. I, is a safety valve ; s, the cover of the pot or retort ; i,, is the ash-pit ; and b, the door of the furnace ; x, is an open space, roofed over, or a kind of…
Industrial arts · Technology
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