HOT BLAST VALVES,

VIEW SOWING GAS WASHER, GAS BURNER, AND REMOVABLE HOT BLAST VALVES, MASSICK & COOKES' THREE-PASS STOVES, JONES & LAUGHLINS, PITTSBURGH. from the Article MODERN IRON BLAST-FURNACE PRACTICE. By Frank Hearne Crockard from The Engineering Magazine Devoted to Industrial Progress Volume XXII 1901-1902 The Engineering Magazine Co

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VIEW SOWING GAS WASHER, GAS BURNER, AND REMOVABLE HOT BLAST VALVES, MASSICK & COOKES' THREE-PASS STOVES, JONES & LAUGHLINS, PITTSBURGH. from the Article MODERN IRON BLAST-FURNACE PRACTICE. By Frank Hearne Crockard from The Engineering Magazine Devoted to Industrial Progress Volume XXII 1901-1902 The Engineering Magazine Co