Bethlehem Steel Company. Bethlehem special structural shapes for buildings and bridges : special I beams, rolled girder beams and rolled H columns of open hearth steel / tables prepared by George H. Blakeley.

Bethlehem Steel Company.

Bethlehem special structural shapes for buildings and bridges : special I beams, rolled girder beams and rolled H columns of open hearth steel / tables prepared by George H. Blakeley.

South Bethlehem, Pa. : The Company, 1907.

Steel, Structural -- Catalogs.

Girders -- Catalogs.

Columns, Iron and steel -- Catalogs.

Blakeley, George H.

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