San Francisco, Calif. : Architect and Engineer Co · leaf 249
IGHTS Telephone MARKET 2081 THB AIR ESCAPE TUBE shown on the exterior of this valve is made to conduct the foulair from a radiator into the basement, or where otherwise desired,and not allow it to be discharged into the occupied apartment. You have often experienced offensive odors comin^^ from a… … N94 FOURmY-DRAW PERFECTEWmEX
Architecture · Building
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