d to meet this exacting require-ment it is unique in construction and wholly effectivein keeping the glower at a constant temperature.Iron wire is mounted in a small glass tube filled withan inert gas, so that no matter what temperature theiron takes it will not be affected. It would oxidizewere… … Fig.-l.—Heater Tubes and Glowers.
Alcohol · Gasoline · Glower · Ore · Machine · Power · Scientific American · Horse power · Power station · Gas engine · Sewing machine · Short time · Revolving field · Pure water · Tipple lever · Manhattan elevated
Internet Archive · Public Domain Mark 1.0. Free to use for anything.