Origin of coal gas
Examples from the Web for coal gas
Cooking on coal-gas stoves, lighting pipes with matches, and driving horses?A Diversity of Creatures|Rudyard Kipling
This is known as Pole's formula, and has been generally used for determining the sizes of mains for the supply of coal-gas.
Long before this Dr. Clayton described some observations on coal-gas, which he called "the spirit of coals."Artificial Light|M. Luckiesh
It was this form that survived as it came on the threshold of the era of illumination by coal-gas.Chats on Old Sheffield Plate|Arthur Hayden
It is connected by a flexible tube to a cylinder of compressed oxygen, and by another tube to a supply of coal-gas.Expository Writing|Mervin James Curl