Quotes About Cannel coal

By the 1850s, turpentine production was declining in America. A new competitor surged into the lamp oil market: coal oil, distilled from cannel coal (oil shale) or asphalt/bitumen, a heavy hydrocarbon found naturally in semisolid pools such as Pitch Lake on the Caribbean island of Trinidad and the La Brea Tar Pits in Los Angeles.

Gesner's US patents were issued in June 1854. For feedstock, his company would initially use cannel coal from New Brunswick.