Illinois Society of Architects · Chicago · leaf 596
effected. Gas and oil provide clean, uniform heat.Dirt, ashes and the drudgery associated withhand-fired coal are practically eliminated.Fuel costs are greater but largely offset bythe convenience of operation. Forced circulation permits the use ofsmaller equipment, pipe or duct lines andless fuel… … Unit Heater
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
