I-B-R testing and rating code for low pressure heating boilers.
Edition: 3d ed., July 1945.
Publisher: Institute of Boiler & Radiator Manufacturers
Published: 1945
Place of publication: New York
Language: eng
Number of pages: 73
Subjects: Steam-boilers.
Notes: Cover title.
Reproduced from typewritten copy.
"Designed primarily for cast iron heating boilers."--Pref.