Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 538
erfect Fresh Air Inlet Valve in buildings and dwell-ings will readily be understood by a glance at Figs. 2 and 3. ConlinueJ on Xfxt Pagf PLUMBING SPECIALTIES, ETC. 467 THE PERFECT FRESH AIR INLET COMPANY THE PERFECTSELF-SCOURINGANTI-SYPHONBASIN TRAP. THE PERFECTTESTING TRAP. Fig. 2 shows the… … wm//mwM/wm/w/M/MW/mw//m//m/w///w/wmm^^^ Fig. 3. METHOD OF SETTING THE PERFECT FRESH AIR INLET VALVE WHERE THEREIS AN AREA IN FRONT OF BUILDING The Perfect Self-Scouring Anti-syphon Basin Trap (Figs. 4 and 5) is the mostpractical and best proportioned Anti-syphon Trap at present devised. It has…
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