Schematic drawing shows how the principal components of a pulverized coal fired steam generator are correlated in obtaining accurate combustion control. ... of the Century of Engineering Progress, held in Chicago, September 3-13, are presented in the October, 1952, Combustion. ... process steam and power are given in aquot;How to Power the Refineryaquot; by C. W. Bloedorn, Allis-Chalmers Mfg. Com- !)anyanbsp;...