INDEX 



The superior figures tell the exact place on the page in ninths; e.g. 9' 

 means page 9, beginning in the third ninth of the page, i.e. about one third 

 of the way down. 



Baltimore fire, observations on, io 7 

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

 9 3 , 28 7 , 3 6 2 



Conglomerates, refractoriness, 7 1 

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



Diabase, petrographic description, 



3 6 

 Dolomite, refractoriness, g 3 



Fire, effect on stone as observed in 

 conflagrations, g 1 -i2 2 , 36* 



Fire tests, description, i6 1 -25; on 

 granites and gneisses, i7 5 -i9; on 

 limestones, 22-23; on marble, 24- 

 25; on sandstones, 20-21; sum- 

 mary, 2 6 *-28 9 



Flame tests, i6 9 -i7 2 , 28 3 



Furnace tests, 16 



Gneisses, percentage of absorption, 

 13; fire tests, i7 5 -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, 

 ii 4 ; fire tests, i7 5 -i9, 2 6 7 , 26'; 

 flame tests, 28"; locality, 13; 

 petrographic description, 13, 29'- 

 3 e , 3i 4 -32 3 , 32 7 ~33 1 ; company- 

 operating quarry, 13; refractori- 

 ness, 6 8 , 7 2 , 8 4 , g 1 , 9 6 , io 5 ; order of 

 refractoriness, 28'; use, 13 



Grieshaber, cited, n 2 



Limestones, percentage of absorption, 

 15; effects of Baltimore fire on, 



ii 4 ; fire tests, 22-23, 26 8 , 28 1 ; 

 flame tests, 28 4 ; locality, 15; 

 petrographic description, 15, 34 5 - 

 35 8 ; company operating quarry, 

 15; refractoriness, 7 1 , 7 4 , 8 4 , 9 3 , 9*; 

 order of refractoriness, 28 9 ; use, 15 



Marble, percentage of absorption, 15 ; 

 effects of Baltimore fire on, n 4 ; 

 fire tests, 24-25, 26 8 , 28 2 ; flame 

 tests, 28 5 , 28 6 ; locality, 15; petro- 

 graphic description, 15, 35 8 ~36 1 ; 

 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, 2o 3 , 21 



Merrill, G. P., cited, 8 9 - 9 5 , 3 6 3 



Norite, petrographic description, 31' 



Oxford sandstone, fire tests, 2o 2 , 21; 

 percentage of absorption, 27 9 



Petrographic description of stones 



tested, 29 1 ~36 1 

 Potsdam stone, fire tests, 20, 21; 



percentage of absorption, 27 9 



: Refractoriness of building stones, 

 previous investigations, 6 6 -9 7 , 36* 



Sandstones, percentage of absorp- 

 tion, 14; effects of Baltimore fire 

 on, ii 4 ; fire tests, 20-21, 27*; 

 flame tests, 28'; locality, 14; 

 petrographic description, 14, 

 33 2 -34 5 ; company operating 

 quarry, 14; refractoriness, 6 9 , 7 3 > 

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

 28; use, 14 



