Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 91
lows. This form is not unlike the blacksmiths hearth of ourown times ; and has, in fact, been perpetuated, with but smallmodification, in the Catalan forges of the present day, wherea malleable iron is produced from suitable ore by the firstprocess. More refractory ores were treated in crucibles…
Mechanical engineering
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