SECTIONAL VIEW SHOWING RELATIVE POSITIONS OF PARTS OF A WELLMAN OPEN-HEARTH PLA NT. POURING SID OF 20-TON OPEN-HEARTH FURNACES WITH FORE HEARTH IN POSITION. MANUFACTURE OF BRIDGE AND BUILDING STRUCTURAL SHAPES. HYDRAULIC LADLE CRANE INTO WHICH CONTENTS OF 75-TON OPEN-HEARTH FURNACE ARE TAPP, scientific american, 1903-12-12
SECTIONAL VIEW SHOWING RELATIVE POSITIONS OF PARTS OF A WELLMAN OPEN-HEARTH PLA NT. POURING SID OF 20-TON OPEN-HEARTH FURNACES WITH FORE HEARTH IN POSITION. MANUFACTURE OF BRIDGE AND BUILDING STRUCTURAL SHAPES. HYDRAULIC LADLE CRANE INTO WHICH CONTENTS OF 75-TON OPEN-HEARTH FURNACE ARE TAPP, scientific american, 1903-12-12
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