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 414
hearth, a, of the furnace, reaching to the fire-bridge, b, their mouth extending to <•. The niufiles areclosed by a clay slab at the mouth, in which there are two openings, one at the bottom for the charge anddischarge of the ore, and one at the top for inserting an iron pipe which is to conduct…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
