_ 



THERE'S A 

 TREMENDOUS 

 DIFFERENCE 

 IN CONCRETE. 



Its character 

 and stability de- 

 pend almost en- 

 tirely upon the 

 quality of the 

 cement used. 



PORTLAND CEMENT 



in 20 years of use h 

 the confidence and unqualified 

 endorsement of engineers and building 

 experts in more than 1,800 cities and 

 towns in the United States. 



We have been making the highest quality of cement for 

 more than three-quarters of a CENTURY. 



If you are planning any sort of a building, from 

 a green house to a mansion, turite for our latest 

 book about concrete. It contains many 'valuable, 

 money-saving suggestions . f Tell us ivhat you 

 ivish to do and the advice of our expert consult- 

 ing engineer is at your service ivithout charge. 



The 

 Lawrence Cement 

 Co. 



Ernest R. Ackerman, Pres't 

 New York Philadelphia 



C H. Cement & M. Co., Cumberland, Md 



THE WORLD'S WORK PRESS, NEW YORK 



