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(ccrr) December 21, 1934 Dr.

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'SAiiij.- -'yr-f COMMONWEALTH OF PENNSYLVANIA Department of Labor and Industry RALPH M.

PLAINTIFF'S EXHIBIT The greatest improvement ever made in Plaster!

V * wronruMpmi nr ir.wrararr November 20, 1936 THE UNDERSIGNED hereby efree to underwrite certain experiments with asbestos dust to be conducted by Or.

GRACE 0641940 v\ 5 G'se* S Cc 62 Avnw Cs^onaet.

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May, 1930 INDUSTRIAL AND ENGINEERING CHEMISTRY 427 Sources of Industrial Information Chambers of Commerce: Most southern cities have an active Industrial Development Depart ment in their local Chamber of Commerce.

PoC Paul Benignus-GO c October 23, 1939 Hr.

General Offices Nr.

D,o s. 9 0<V C r k. isarrooO^T ilii iiiitffi"rr r iTMitTi ENVIRONMENT* Of Mice and Men: Alarm over Plastics The consumer-oriented federal agencies that have been born in the past four years have quickly learned how to show their muscle.

Patented June 6, 1933 1,912,610 exhibit UNITED STATES PATENT OFFICE JtJXES A.

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a% \/\Vt i \ AMFR1CA.N RAKEBLO c PLAINTIFF'S EXHIBIT AMERICAN BRAKEBLOK CORPORATION maim ernes MO90 MCMItT AVCNUC ocmorr MWTIW amo AurOMOTivt tmiio> THB AMERICAN BRAKE SHOE AND FOUNDRY COMPANY Detroit, February 1, 1937 Salcs ofneu MCW TOM CkfVCkAMO tert.nClOAWSOt AkMoa'AuAaMCnKuCO nr.