ebook,Blakeley, George H. (George Henry),Dimensions, Weights and Properties of Special and Standard Structural Steel Shapes Manufactured by Bethlehem Steel Company, South Bethlehem, Pa. : for Engineers, Architects and Draftsmen,HardPress Publishing,Engineering (General),Engineering: general,General,HISTORY / General,History,History : General,History/General,Technology & Engineering / Engineering (General),Technology & Industrial Arts,Technology: General & Reference,Technology & Engineering / Engineering (General),HISTORY / General,General,Engineering (General),History : General,History/General,Technology & Industrial Arts,Technology: General & Reference,Engineering: general" />