Cambria steel; a handbook of information relating to structural steel manufactured by the Cambria Steel Co. ; containing useful tables, rules, data and formulae for the use of engineers, architects, builders and mechanics / prepared and compiled by George E. Thackray. - 9th ed. - [Philadelphia, Pa. : Press of MacCalla & Company, inc.], 1909. - x, 474 p. : incl. tablas, diag. ; 18 cm.


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624.014