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ETHYL CORPORATION RESEARCH AND ENGINEERING DEPARTMENT RESEARCH LABORATORIES 1600 WEST EIGHT MILE ROAD FERNDALE 20, DETROIT, MICHIGAN *^ May 28, 1956 Dr.

9*" -^ **ty%*r\r l i c J c5 cU '*J~Qa s Cc 1 __ ,?

May 6, 1957 DMCThoree.lduWimIcn.abdluEusI.

Hr.

\ / THE SOLUBILITY OF AN ENAMEL ON A SET OF PINNEKWARE IN CERTAIN LIQUIDS AND IN FOOD .

May 17, 1954

Mr.

V COPY, Sir John Cass College, Department of Chemistry, Jewry Street, Aldgate, LONDON.

November 19, 1863 Harold C.

October 13, 1952 M r .

CONFIDENTIAL .

July 11, 1959 AIRMAIL L .

MyrfWiiiTii FOR RHEASS 0 April 24, 1957 - PJt.

THE QLUfBEN COMPANY 11001 Uadison Avenue CLEVELAND 2, OHIO SALES A 0 L HOT AGUE OUT Thia agreement made at Cleveland, Ohio thia 15th day of Kerch 1952 by o-'.d between the OLJBDEN COMPANY OF ClJi/ELAND, OHIO, hereinafter called the conpanfr and HR, ALTER A. .'