Illinois Society of Architects · Chicago · leaf 536
Sectional of No. 1 Trap … HEATING SERVICE THE DUNHAM THERMOSTATIC RADIATORTRAP Dunham Radiator Traps are made of bronze—tlic most satisfactory steam metal knon-n forlong service under hijjh strain, for changingifuiperalnre conditions, and for wiihstandingthe corrosive actions of steam, water and airI which are met with in…
Architecture · Building · Architects
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