iln is pierced with about until the attempt was made recently to soften a spot These compartments are about 9 feet square, about 18 draught holes about 4 inches in length and about 8 by employing an electric current. The successful 8 feet in height, and about 1 foot in thickness, and are inches in… … layers are thrown into the kiln from the top by the attendants, the draught holes being stopped up with INTERIOR Of CCi/«0£^ in reffioft on Kiln plaster as fast as the material becomes red hot above each opening. The kiln holds about 70 barrels of THE PULVERIZED CHARCOAL INDUSTRY. charcoal. The top…
Color · Munn · Platinum · Illustrated · Scientific American · Adapted · Railway switch · Pulverized charcoal · Horse power · Zenith city · Gas engine · Royal society · Low resistance · Perspective elevations · Postal union
Internet Archive · Public domain (published before 1931). Free to use for anything.
