752 NEW YORK sivii: MUSEUM 



Richardson, C. Beriefl of articles on lime and cement mortars. 



Brickbuilder. 1897 and 1S98. 

 Schoch, C. Die moderne aufbereitung und wertung dor mortel 



materialim. Ber. l v '.'^. 

 Smith, W. A. On cements, (sec Min. ind. 1: 40) 

 Spalding, F. P. Hydraulic cement, its properties, testing and use. 



N. V. L897. 

 Stillman, T. B. Methods of testing cement, (see Jour, chem, 



soc. 15: 181; 1G: 1G1, 2S3, 374) 



Also has bibliography. 



Wilkinson, P. Technology of cement plaster, (see Trans. Am. 

 inst. min. eng. 37: SOS) 



Zwick, A. Hydraulischer Kalk und Portland cement. Leipzig 

 1892. 



