Temperature of the water-bath 
10 minutes later. 4. ¥s . oili 
“ 
“ce 
Temperature of the water-bath 
“ “ b 
sc 
“ 
20 minutes later. 5. 
Temperature of the retort-bath, 
} es a“ “ — boiling liquid, 
: ““ 6 vapor, ey 
: ; 3 Temperature of the retort-bath, 
45 minutes later."* 2. . « boiling liquid, 
; oc +“ vapor, - 
: ‘ Temperature of the retort-bath, 
15 minutes later, 3. a “ boiling liquid, 
“ “ a - 
i; Temperature of the retort-bath, 
80 minutes later. 4. . “ boiling liquid, 
6 “ vapor, - 
re of the retort-bath 
Temperature of 
“ce “cc 
= th, 
80 minutes later. 5. boiling liquid, 
vapor, - 
ier ofa 
C. M. Warren on the Volatile Hydrocarbons. 
ling liquid, - 
apor, - - 
oiling liquid, - 
vapor, - - 
» 20° 
15° 
retort, which stood in a small copper bath containing pound 
lee, was charged with about 250 ¢. c. of the liquid, which had 
been previously cooled in a mixture of ice and salt. npe 
3 ab of the laboratory, 16°C. Observations during the distilla- 
— tion :— 
empera- 
fom this point the temperature of the retort-bath was gradually raised 
gas-flame, : 
