Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 303
heated, which takes about 15 or 16 hours, the flame ceases at the top, and all the openingsin the door and at the top are closed; still a few small crevices may be open which admit a little air.This causes the heat to become intense, and then the coke draws together, and forms a more close and…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
