Bethlehem Steel Company. American standard ship building channels and bulb angels manufactured by Bethlehem Steel Company.

Bethlehem Steel Company.

American standard ship building channels and bulb angels manufactured by Bethlehem Steel Company.

Bethlehem, Pa. : The Company, 1921.

conserved 2003 surface cleaned; paper mended payne

Channels (Structural members) -- Catalogs.

Angles (Structural members) -- Catalogs.

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