Illinois Society of Architects · Chicago · leaf 221
the old sheet iron radiator. The single valve system is the one most in use at the present time. Havingsteadily gained favor since about 1880, it is now almost universally adopted. In con- 219 THOMAS & SMITH stealm and water heating AIR PURIFYING AND COOLING SYSTEMS CO/V\PLETE POWER PLAINTS…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
