Illinois Society of Architects · Chicago · leaf 528
boiler is to be used in a smallinstallation where it is desirable to have aboiler of svifticient size to permit intermittentfiring and even banking for periods of severalliours while carrying the connected load. Power boilers are usually rated at fromIV2 sq. ft. to 12 sq. ft. of heating surface… … t^-^ / Lon^back and forthtiretrjvel holds hot gases in con-tact with heating surfaces-^
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
