Illinois Society of Architects · Chicago · leaf 567
dsshould be addod with the name of the man-ufac-iurir st:iini>i(l on each length. Flanges and Unions: All pipe up to -V2 should be providedwith galvanized malleable iron unions withl)rass seats and all pipe over 2^ to beprovided with flanged unions having gasketsof asbestos grajihite packing iV… … No. 31-9No. 21-91 Seat and Cover
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
