National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 105
Figure No. 3 Figure No. 4 A chimney flue should run as nearly straight as possible from its base to itstop, and be the same area all the way. Offset chimneys are easily chokedwith soot. Figure No. 4 is an example. 108 DATA FOR THE FITTER Chimneys (Continued) Care should bs taken in placing the…
