Kuva:Puddling furnace.jpg
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Puddling_furnace.jpg (42 KiB, MIME-tyyppi: image/jpeg)
Schematic drawing of a puddling furnace.
A, the hearth; F. the grate or fireplace; C, the chimney with a damper at the summit to regulate the draught; D, a bridge separating the grate from the hearth, for preventing the direct contact of the fuel with the iron.
Found on the web at http://www.mspong.org/cyclopedia/metallurgy_pics.html
Scanned from The Household Cyclopedia by Henry Hartshorne, 1881.
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