ARCHITECTS' SPECIFICATIONS FOR UNITED STATES GYPSUM COMPANY'S CEMENT PLASTER In Red Top Bags GROUNDS For 44 inch Gypsum LathTo be 54 inch For Wood Lath-------------------------------------------_Tobe 54 inch For 54 inch Gypsum LathTo be 54 inch For Brick and Clay Tile Walls--------------------- To be 54 inch For Metal LathTo be 54 inch For Pyrobar Gypsum Tile Walls------------------ To be 54 inch LATHING GYPSUM LATH--(54-inch)--applied according to manufacturer's directions.

C'O'Vl l'45 Adds NEW Charm to GLATEX Protection ..

/'f / color and much more pleasing in appearance than ordinary dark plaster walls.

PROVIDES PERMANENT LOW COST SOUND ABSORPTION....

SABINITE ACOUSTICAL PLASTER An effective acoustical corrective and a perma nent plaster finish are combined in this remarkable material, in which myriads of tiny passages absorb sound and stop echoes.

-1 -.33 P-M TO FROM SUBJECT CLj^j GIujl INTER-OFFICE MEMO 1 ^DATEattention PLAINTIFF'S EXHIBIT J1USG-1509 S'/ ^ 19 7" 7 9/9-i>?

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u * There's no maintenance with asbestos cement shlnolas such at GLATEX.

PLAINTIFF'S EXHIBIT BB011 U4J3 red TOPICS magazine treating subjects vital to lathing and plastering a UNITED STATES GYPSUM publication 101 S.

9BC0 11038 ieD TOPICS MAGAZINE treating subjects v.tal to lathing and plastering UNITED STATES GYPSUM publication a_4 ,, Dr..

BB024 1745 Rules of Thumb in Acoustics BB024 1746 You'll want to whistle!

PLAINTIFF'S Exhibit way to control sound iC O U S T I CAL.

TO: FROM: SUBJECT: ' #198 ;C.

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PLAINTIFF'S EXHIBIT P .O .S ta tio n :,A '' , 3o I Mwu o G!