Illinois Society of Architects · Chicago · leaf 459
T » ^ i … The Dunham Packless Inlet Valve is a bona fide packless radiator valve not dependent on springs or packing rings. A most imporlant feature is the prc- >•( iition of leakdiie of air into the radiators of rd-inim xi/xtemx. The interchangeableType ICO parts for either type of valve com- l)ine a…
Architecture · Building · Architects
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