Illinois Society of Architects · Chicago · leaf 497
HEATING SERVICE … Floating Valve and Rounded SeatLarfle Valve Operim^ Sectional of No. 1 Trap THE DUNHAM THERMOSTATIC RADIATORTRAP Dunham Radiator Traps art- made of lirUiZi—ilu- niofit salisf;utor> sltam iiielal knonu forlong service under hlyh strain, foi changingtemperature conditions, and lor wirhstanding-the…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
