Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 397
furnace is in use for gold, silver,copper, and brass, as also for making tests and smaller melts of iron, steel, glass, etc. The combustion-chamber consists of the bottom A, and the cylinder B, both firmly securedto the distributing-ring G. The burners D penetrate the bottom lining A. The bottomis… … furnace-top when swung to either side. The feed-hole in cover ^is sufficiently large togive free access to the ciucihle without rcnioviiig the cover, thus confining the heat while feeding the crucible. The smallcover / closes the feed-hole. Thecrucible stands upon a conical fire-brick support. By…
Mechanical engineering
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