Blast-Furnace
Description
This section is from the book "The Home Cyclopedia Of General Information", by Charles Morris. Also available from Amazon: Home Cyclopedia of Necessary Knowledge.
Blast-Furnace
A furnace for smelting ores into which air is forced by pressure. The terms hot blast and cold blast are used to indicate whether the current is heated or not heated before entering the furnace.
BLAST FURNACE.
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