Page:Motors and motor-driving (1902).djvu/277

Rh the vapour nozzle, and it issues from the twenty small holes round each air-tube, and burns with a solid blue flame above the top plate of the burner, the air for combustion of the mixture (air and vapour) being supplied through the 107 half-inch



air-tubes. The tube at the side of the burner, which is about one inch in diameter, is open at the outer, as well as at the inner end, so that the vapour which is injected into it induces a continual flow of air with it into the burner. The end of the vapour tube which projects into the induction tube