Illinois Malleable Iron Co. · Illinois Malleable Iron Co. · leaf 220
Fig. 3584C Fig. 3584D PALMER BACK WATER VALVES Made entirely of non-corrosive white metal and consists of a flanged seat with swing-ing gate. The flange on seat is made in sizes to fit the hub openings of regular glazed tilepipe with opening through same, and swinging gate corresponding to bore of…
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