r or only a very slight vent left there. A little VERTICAL SECTION OF GAS FURNACE. practice in handling the vent slides enables the operator to vary the verti- while its body may remain sufficiently cal distribution of the heat with con- tough to prevent its splintering before siderable nicety. it… … special gas machine, and the gas is sup- CROSS SECTION. plied by a pressure blower, both of the writer's design. The gas and air are delivered to a vertical furnace consist- recess is provided in the bottom of the furnace, which surrounds the point and ing of a fire-clay cylinder inclosed by iron…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
