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PLAINTIFF'S EXHIBIT /rC> *40 20M 8-58 / ppiaurr.o in w s.

BE ST WALL METAL CASING AND METAL CORNER FVREPRoF GYpsuM mmi BU'LD INg PRODUCTS PRICE LIST NO. 5 EFFECTIVE NOVEMBER 15, 1957 (Cancels all previous issues) Sold Through BESTWALL CERTAIN-TEED SALES CORPORATION 120 EAST LANCASTER AVENUE, ARDMORE, PENNSYLVANIA SALES OFFICES: ATLANTA, GA.

AIA FILE NUMBER 23-L otrum asmjiiaiiun 201 NO WELLS 5T, CHICAGO 6, ILLINOIS 1350 N.

farm 340 20 M 0-54 PWINTBB INV A.

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TECHNICAL BULLETIN No. 8 SEVENTH REVISION JUNE 1958 FIRE RESISTIVE RATINGS Metal Lath and Plaster CONSTRUCTION Fire Resist ance AUTHORITY l%" gypsum-vermiculite or gypsum-perlite plaster1, 11 over self- furring metal lath wrapped around column. 4-hours Underwriters' Laboratories Retardant 2851-5, 6, dated 5/15/56 and 3187-4, 5, 7 euaei 1J4" gypsum-vermiculite or perlite plaster1, n, over metal lath.

252 CHAPTER 12 . 1950 Guide< States.

304 CHAPTER 13 1950 Guide matter.

320 CHAPTER 13 1950 Guide the thickness of the bed of fresh coal, is severe enough to blow open the doors and dampers of the furnace.

610 CHAPTER 29 1950 Guide Selection of induction convectors should be made with due regard to noise level.'

676 CHAPTER 32 1950 Guide 2.

794 CHAPTER 36 1950 Guide p. = pressure of saturated liquid', psig = pressure pounds per square inch, gage, psia = pressure pounds per square inch, absolute

56 CHAPTER 3 1951 Guide veniently used to interpolate values for the enthalpy, specific volume, and entropy of moist air from the data of Table 2.

320 CHAPTER 13 1951 Guide liable to ignite spontaneously when piled or stored.