Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 653
At the top of the chimney A is placed an air-chamber F>, over which is placed a deflecting cone C, Idthe form of a funnel, with, the outer edges turned down all around uniformly, to reverberate the steam,gases, and particles, and throw them into a series of curved and inclined fim^ D,…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.