An engineer, whose name has not as yet been given to the public, has invented a way to have fire without flame. His apparatus consists of a porous plate or mass of fire-resisting fragments within which he mixes inflammable gas and air in the right proportions. When the gas is first turned on and lighted, it burns with a flame at the surface of the plate. When the flame is turned on, the flame disappears; but the heat increases. A temperature of 3,200 degrees is claimed. Just what use of this invention can be made is yet a question.