1* EFFECTIVE NOVEMBER 20, 1933 UNITED STATES GYPSUM COMPANY SALES POLICY FOR ASPHALT ROOFING PRODUCTS HISTORICAL FILE ^y^ec-ct/w-cd._/_.......

PLAINTIFF'S EXHIBIT fProducts Can rating Jobs Now tew cents nine.

USG SOUND 1NSULATIVE DOORS are practical and highly effi cient in preventing the transmission of di>turbing noises between rooms.

Toil, i; FOUNDATION FACTS ' September, .

KttBe-003299/ introduction ' v Wf nave completed a review and inventory of the files which are present in the Industrial Hygiene Department at tho Research & Development Cantor.

440 PUBLIC HEALTH /.ilKi4 LlOISlAttON Department of Labor and Indntlry The General Solely AtI 0/ 1937* ThU act Is the basic Industrial law of Pennsylvania.

26th National Safety Congress NATIONAL SAFETY COUNCIL, Inc.

ARGUMENTS Here*i the place to unload your gripes to editors, and fellow engineers . ______ How SO Armstrong traps 14 tons of coall per month.. .

OECIMSEft 1933 17

77(\ Silver Jubilee Safety Congress \V.

APPROVED BY (SIGNATURE* FIELD SERVICES CONTRACT INFORMATION REGARDING THIS CONTRACT CAN BE SUPPLIED BY J.

is participating in the U.

Rxoglbar t, 1930 >3*.

f Johns -Manville Manville.

Ootobsr 13, 1939 Hr.