346 Silliman and Wurtz on Flame Temperatures. 
TABLE IV. 
(1.) (2.) (3. 
New Haven Fair Haven Substratum Substratum 
City Gas. Hydrocar- of New of Fair 
bon Gas. Haven Gas, Haven Gas. 
aut} Saas 43°58 46°77 46°79 
Carbonic oxyd... 2°14 9°56 2°3 10°27 
Matsh cag. oa. 34 47°42 36°71 50°90 39°46 
] nante.ocus 6°86 Of ea ae ee ee re 
100-00 100°00 100°00 100°00 
data as to their real nature, and saarormalegh because, if we ac- 
tually knew, or should assume, the nature 
vapors present, still we have no ekverisaeetal calorific equiva- 
lents, as we have for olefiant gas, from which to start in such a 
computation. We have reason to believe nevertheless that the 
errors thus introduced are not important in amoun 
TABLE V. 
column 
ener ‘equally heated Maced to Ne dn need = New 
equal af volumes e equal volum ds tng oo ai00." 
Anthracite gas _........_.. 3100 2823 104:2 109°2 
coer oy the New Haven 
2917 2581 98°1 99°6 
Substrata of of te Fair Haven 
a iwieetne 2962 =: 2640 99°6 102°0 
ine Sores 4 gas; with the il- 
luminants assumed=olefiant 2974 2592 100-0 100-0 
Fair Haven gas; with the il- 
a 2959 2647 99°5 abe 
we are is i the results of age sees in nvestigationls are 
“ceiv ain 
. From ae IT it is apparent 
of all known gases, the highest calorific effects, under 
r satiboapharis conditions, are obtainable from carbonic 
whose calorific value, above 100° C., is about 3000° ©. 
_ absolute calorifi ee value, below 100° C., in the at. 
) . surpasses its volume of any other 
nga temperature of about t 8,200 200° ©. 
