Category: Engineering & Technology
Encyclopaedia Britannica, 11th Edition, "Destructors" to "Diameter" Volume 8, Slice 3
DESTRUCTOR (_continued from volume 8, slice 2, page 0108._) ... in main flues, &c. (g) The chimney draught must be assisted with forced draught from fans or steam jet to a pressure of 1½ in. to 2 in. under grates by water-gauge. (h) Where a destructor is required to work witho...