PART VIII.
PURIFYING APPARATUS, OR LIME MACHINE 140
LIME MACHINE ORIGINALLY EMPLOYED FOR THE PURIFICATION OF COAL GAS 141
LIME MACHINE LATELY ADOPTED 149
TEST APPARATUS, FOR CERTIFYING THE PURITY OF COAL GAS, AND THE PROPER MANNER OF WORKING THE LIME MACHINE 157
BEST METHOD OF PREPARING QUICK-LIME FOR THE PURIFICATION OF COAL GAS 161