Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 228
orpipe, and forming a part of it, is an iron box containing areciprocating steam motor, which, through the medium ofa rocker arm, and pawl and ratchet wheel, drives a screwconveyor shaft that slowly revolves within the pipe, thusforcing tlie coal forward and up through another box ortrough, which… … Fig. 88typical setting of american stoker under a return tubular BOILER These tuyeres^, being at a high temperature, serve to heatthe air in its passage through them, thus greatly aidingcombustion. Fig. 88 is a longitudinal sectional view ofthis stoker. 216 Steam Engineering The speed of the screw…