Illinois Society of Architects · Chicago · leaf 215
Fig. 168Angle Radiator Valve Fig. 300Fractional Angle Radiator Valve JENKINS BROS., 3oo w. lake st., Chicago Valves For Gravity and Vacuum Heating Systems
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
