bituminous coal, cannel coal, semi-anthracite and anthracite ; in a word, all the varieties of coal known to scientific and practical men. Vegetable fiber is composed of carbon, 36 parts ...

Rape oil, 71 minutes j olive oil, 72 j Russian tallow, 75 j common tallow, 76 j sperm oil, 76 j stearic acid, 77 j wax candles, 79j spermaceti candles, 83j common coal gas, 98 j cannel coal gas ...