San Francisco : Architect and Engineer, Inc · leaf 868
tor trap should do, theDunham does. Witness itsprogress from its advent in1903. Is it not true thattoday, the thermostatichollow disc type trap isthe leader? The Dunhamwas the first of this type.And so correct were theoriginal traps that after 17years of continuous servicemany of them still… … Flat Valve and Seatlar^e Valve Opening ^UNHIIM ■^HEATING SERVICE If you have not received your copy of The Dunham Hand Book, pleaseadvise us at once. We believe that youwill find it very helpful in many ways. LOS ANGELES 600 Metropolitan Bldg. PORTLAND 410 Board of Trade Bldg. C. A. DUNHAM CO. SAN…
Architecture · Building
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
