Silliman and Wurtz on Flame Temperatures. 341 
TABLE IL 
Total calorific equivalents. Densities 
; Of equal weights. Of equal volumes. Hydrogen ==1. 
Carbonic oxyd ___._. 34,462° C, 34,462° C, 1 
merarogen ..- 2... 2,403° 33,642° 14 
Pee a Se en 13,063° 104,504° 
Olefiant gas __...... 11,858° 166,012° 14 
The meaning of this table is ges that equal weights of 
water would be heated by the several gases to temperatures pro- 
portional to the numbers in the first column, when equal weights 
of the gases are burned; and proportional to those in the second 
column, when equal volumes are burned. 
A cursory glance at the figures in the second column of this 
Hydrogen pee .~ 2°22 Ibs. water. 
Carbonic on yd. 55454 s.20s45-48e0 16. %).5 
arsh gas = Mal =. = 
Olefiant he ee ee er eee 1s. FS = 
of pure hydrogen and pure olefiant gas, even when used 
greatest raters teat water below its boiling point, are 
almost or quite identical. | 
