VoL 8 Erythoridine, turiyd, V,Sh.a1ra5-cteri- 15 (May) 1939. n of Erythrina lacol. & Exper. ideation of th'e Irythrina Crista :razol Fractures uly) 1940.

BUSINESS ADVISORY COUNCIL ON FEDERAL REPORTS FtmM la 1*43 Board of Governors IUJ lyt km.

1935 Jo. 1.

PLAINTIFF'S EXHIBIT GF-880 i- -1..

RUBEROID'S TIME TESTED SPECIAL BITUMEN heads the class in roof protection Applied 38 years ago--still In service.

t 1933 TRANSACTIONS National Safety Council Incorporated TWENTY-SECOND ANNUAL SAFETY CONGRESS Chicago, Illinois October 2 to October 6, 1933 The Stevens Hotel mi H^ 3,, o ,^lll 3O _x- ?

I American Society of Heating and Ventilating Engineers Guide, 1930 Table 1.

American Society of Heating and Ventilating Engineers Guide, 1930 Table 10.

.American Society of Heating and Ventilating Engineers Guide, 1930 Chapter 21--Piping for Hot Water Heating Systems FeicnoN Mia d in M ilin c h c j p ta Toot of Pipe and pch C lbow' Fig. 6.

American Society of Heating and Ventilating Engineers Guide, 1931 Table 13.

T a b l e 1.

American Society of Heating and Ventilating Engineers Guide, 1932 2.

American Society of Heating and Ventilating Engineers Guide, 1934 the value of 5.9 Btu per square foot per degree difference in temperature is obtained for a velocity of 400 fpm and 9.55 Btu per square foot for a velocity of 800 fpm.

American Society of Heating and Ventilating Engineers Guide, 1934 Table 2.

American Society of Heating and Ventilating Engineers Guide, 1934 observing the outdoor air temperature.