|! Michael Faraday, his Life and Works. 151 
‘ bicarburet of hydrogen in a liquid. state, which was found to 
a mixture of several compounds endowed with various de- 
grees of volatility, and which could be separated by distillation, 
Every one knows the advantage, in the production of colors, 
derived from this by the illustrious chemist Hofmann, when he 
extracted aniline from it. 
duced by Thilorier’s method. The condensation could be - 
brought to fifty atmospheres, and the lowering of temperature 
to —166° F., or 110° ©. below 0°.. In this way Faraday suc- 
BN an eee ee cle eee Meee et 
. 
