INDEX 



The superior figures tell the exai 

 means page 9 , beginning in the third 

 of the way down. 



Baltimore tire, observations on, 10 7 

 Buckley, experiments, 7 9 -8 8 ; cited, 

 9 3 , 28', 36 2 



Conglomerates, refractoriness, 7 1 

 Cutting, investigations, 6 9 -7 6 ; cited, 

 3 6 3 



Diabase, petrographic description, 

 Dolomite, refractoriness, 9 3 



Fire, effect on stone as observed in 

 conflagrations, 9 7 -i2 J , 36 s 



Fire tests, description, it)'-25; on 

 granites and gneisses, i7 6 -i9; on 

 limestones, 22-23; on marble, 24- 

 25; on sandstones, 20-21; sum- 

 mary, 26 , -28 8 



Flame tests, i6»-i7 2 , 28 s 

 Furnace tests, 16" 



Gneisses, percentage of absorption, 

 13; fire tests, i7 s -i9, 26*. 27*; 

 flame tests, 28" ; locality, 13; 

 petrographic description, 13, 32*; 

 company operating quarry, 13; 

 order of refractoriness, 28"; use, 13 



Granites, percentage of absorption, 

 13; effects of Baltimore fire on, 

 11 4 ; fire tests, i7 5 -i9, 26', 26'; 

 flame tests, 28*; locality, 13; 

 petrographic description, 13, 29 *— 

 30 9 , 3i 4 -32 3 , 3 2 '-33'; company 

 operating quarry, 13; refractori- 

 ness, 6\ 7 J , 8*, 9 1 , 9', 10 s ; order of 

 refractoriness, 28"; use. 13 



Grieshabcr, cited, m- 



Limestones, percentage of absorption, 

 15; effects of Baltimore fire on, 



:t place on the page in ninths; e.g.- 9' 

 ninth of the page, i.e. about one third 



11 4 ; fire tests, 22-23, 2 ^ 8 > 2 & x '< 

 flame tests, 28 4 ; locality, 15; 

 petrographic description, 15, 34'- 

 35 s ; company operating quarry, 

 15; refractoriness, 7 1 , 7 4 , 8 4 , 9 s , 9'; 

 order of refractoriness, 28'; use, 15 



Marble, percentage of absorption, 15 ; 

 effects of Baltimore fire on, 11 4 ; 

 fire tests, 24-25, 26 s , 28 2 ; flame 

 tests, 28 s , 28"; locality, 15; petro- 

 graphic description, 15, 3S 8 -36'; 

 company operating quarry, 15; 

 refractoriness, 7 1 , 7 4 ; order of re- 

 fractoriness, 28"; use, 15 



Medina sandstone, percentage of ab- 

 sorption, 27'; fire tests, 20 3 , 21 



Merrill, G. P., cited, 8»-9 s , 36 s 



Norite, petrographic description, 31 1 



Oxford sandstone, fire tests, 20*, 2 1 ; 

 percentage of absorption, 27" 



Petrographic description of stones 



tested, 29'-36' 

 Potsdam stone, fire tests, 20 6 , 21; 



percentage of absorption, 27* 



Refractoriness of building stones, 

 previous investigations, 6 e -9 7 , 36* 



Sandstones, percentage of absorp- 

 tion, 14; effects of Baltimore fire 

 on, 11 4 ; fire tests, 20-21, 27 s ; 

 flame tests, 28'; locality, 14; 

 petrographic description. 14, 

 33 J_ 34 S ; company operating 

 quarry, 14; refractoriness, 6', 7 3 , 

 8 4 , 9 2 , 9 8 ; order of refractoriness. 

 28'; use, 14 



