cession the entire length of the oven, at the speed of 12 feet leaving an air space or dead air chamber between a wire cov- the annulus may continue 7 or 8 seconds,being formed about in one minute, falling from one belt to another, and finally ering and the surface covered; second, in the keying of… … and waterproof, is carried up by achain elevator, and discharged on another wire cloth applying a covering direct to the surface of the boiler, for it has been found, especially in marine boilers, that, when so belt, which runs the entire length of the coal pockets (100 covered, the inside as well…
Internet Archive · Public domain (published before 1931). Free to use for anything.
