iv PREFACE 



means of which rapid computation of unit 

 stresses in reinforced-concrete beams can be 

 made for any combination of steel and concrete. 



This handbook was prepared by Mr. C. K. 

 Smoley, Principal of the School of Civil Engi- 

 neering of the International Correspondence 

 Schools. 



INTERNATIONAL CORRESPONDENCE SCHOOLS 



April, 1913 



