National boilers, radiators, and specialties: catalog no. 26 (1920)
National Radiator Company · National Radiator Company · leaf 27
2 G 12 H 12 % 12% 15 15 H 14 14 14 14 20 I 48 H 49 K 53 58 U 67 % J 41 36 41U 46 % 50 M K 14 M 16«* 17 1834 L 8 9% 10 h HH 15 M u H 14 l&H 17 21 Size ofFire Door sy2xi3 10x15 % 11x18 13x20 10^x17 25 NATIONAL RADIUM GAS BOILERS … Interior View Radium Boiler.
