Boilers and Specialties American Radiator Company General,.Sales and Eastern Executive Office 40 West 40th Street, New York ' Western Executive Office and Accessories Division 816 South Michigan Avenue, Chicago, Illinois Manufacturers of Ideal Boilers, American Corto Radiators, and other Heating, Ventilating, and Refrigerating Products PACKLESS VALVE Arco Packless Hot Water Equalizing Arco Packless Valve No. 901 No. 999--leak- Combines three exclusive proof--does not require repacking.

Insulation, Building Armstrong Cork & Insulation Company Lancaster, Pa.

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PLAINTIFF'S EXHIBIT GYPSUM PRODUCTS MANUAL lAfAft-LBOARD SGP 0025407 WALLBOARD SGP 0025408 BEST WALL GYPSUM COMPANY GYPSUM WALLBOARD MANUAL 196^ EDITION NOTE This Manual No.& <- is the property of Bestwall Gypsum Company for the exclusive use of the sales representatives or other employee to whom it has been issued.

Form 18 SOM SO '.2 56 MIRTC8 III tf.f.A.

ardmore April 14, l^c4 eneral Sales fir* A* A* ic Gaskill JQHAS-HAMVILLK C.

joint systems and specialty products Why the name Georgia-Pacific makes such a difference.

Vfl fr lilr tl lif I fc U rf M ll>l GeorgiaF&cific Joint/Patching Compound Georgia-Pacific has packaged a joint compound specially de signed tor the do-i!

American Society of Heating and Ventilating Engineers Guide The majority of the meters used by district heating companies f0 ,, sale of steam to their customers are of either the condensation meter type.

Payne Furnace & Supply Co., Inc.

Motors and Controllers The Lincoln Electric Company 13036 Coit Road, Cleveland, Ohio Largest Manufacturers of Arc Welding Equipment in the World Branch Offices and Distributors In AH Principal Cities Manual and Automatic Arc Welding Equipment, Electrodes and Supplies; A.C.

GEORGDA-PACSF3C PLAINTIFF'S EXHIBIT GP-213______ INTERDEPARTMENTAL COMMUNICATION DATE: to: *See Below: LOCATION: from: M.

UNION

UNION CARBIDE (a/idria ASBESTOS UNION CARBIDE CORPORATION .

UL3TLALI, GYPSUM COMPANY K,, w.