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 120
m. The founder, during the process,frequently wets the charcoal on top to pre-vent its burning too f;ist, and to concentratethe heat; throws on, from time to time, thesmaller fragments remaining of the charge,near the tuyfere ; feels with a crow-bar at thebottom of the hearth for the cinder and… … 116 . IRON. blast is on, has to be done more frequently: sometimes every five minutes; tTie other part of the work,too, goes on ■with more activity. In three hours the whole charge is melted ; a har is thrust throughthe charcoal in many places to clear the metal which is thus gathered up on the…
Mechanical engineering · Mechanics · Engineering
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