BY THE SAME AUTHOR 



Mechanical Properties of Wood. 



t viii + 167 pages, 6 X 9, 51 figures, 22 tables. Engineering 

 , .Cloth, $2.50net. Library 



COPYRIGHT, 1912, 1919 

 BY SAMUEL J. RECORD 



CIVIL 



Stanhope jpress 



F. H.GILSON COMPANT 

 BOSTON, U.S.A. 



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