CertainTeed Corporate PO Box 860 Valley Forge, PA 1948 215 341-7000 June 3, 1988 CertairfleedEI Mr.

CAPCO A/C PIPE-NOW MORE THAN EVER, THE RIGHT PRODUCT FOR THE TIME bout the only thing as sure as death and TAXES is ence may be the crucial one between getting ajob com Athat this year, as every year, a large number of pleted as planned, or having to accept some unsatisfac American towns and cities will be forced to re tory compromise.

American Water Wbrks Association AWWA C301-72 Revision of AWWA C301-64 AWWA STANDARD lot PRESTRESSED CONCRETE PRESSURE PIPE, STEEL CYLINDER TYPE, FOR WATER AND OTHER LIQUIDS First edition approved by Board of Directors Nov. 21, 1949.

PLAINTIFF'S EXHIBIT %* PRICE Re*,seJ DECEMBER; 1947, 1 *. " v PLUMBING & HEAw|l '' ` A-.\ t.

PUSHBUrrONS and LIGHTS Type N--Standard (Normal) Duty Control Stations 181 O" .=0,-n '!

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CLUTCH FACINb i BRAKE LINING 3TAN0A .OS INSTITUTE, INC., 370 LEXINGTON AVE., NEW YORK 17.

Mellon Institute of Industrial Research UNIVERSITY OF PITTSBURGH PLAINTIFF'S EXHIBIT PROGRESS REPORT for the week ended.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1940 2.

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 some extent for office applications where appearance is not a major factor.

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 Table 10.

Publications Plumbing and Heating Journal Published by THE ANGUS CO., INC. 515 Madison Ave., New York City I LUMBING and Heating Journal is edited to furnish a. well-rounded, efficient service to the men engaged in the plumbing, heating, venti lating and air conditioning fields.

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HEATINC VENTILATING AIR CONDITIONING GUIDE 1940 DEAN, Carl H.