FIRE TESTS OF NEW YORK BUILDING STONES 



to 





E AND WAT: 



TEST 





31 H 



So 



II 



111! 



h 



38 

 3 



Large front 

 in several pi 

 tle pieces 

 ned 



^3 C 

 .SPg 



gOfl) 



1-o% 



small p 

 rner, 1 

 alcined 



"S-i 



n O P< 



