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N9176

DEBIT/CREDIT NOTE Sc* Hi t-v~ CYANAM/D OCD Controller's Department - Wayne LOCATION ADDRESS ACCOUNTING MONTH t'HSTI D/N No. 494- Got u Your account has been charged DESCRIPTION for the following: Your share of Expenses for the following: Environmental Protection Industrial Hygiene Information Resources Safety Packaging & Labor .

N9225

DEBIT/CREDIT NOTE AMERICAN CYANAUID COMPANY 0/lA/tloib . iO.C, LOCATION ADDRESS TO: u/.Gh/c/tyo , Scft, /fflACCOUNTING MONTH NO.

CY0002125

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GILLESPIE DWYER COMPANY I VENTILATION CONTRACTORS PLATE AND SHEET METAL FABRICATORS INVOICE NO. 4537 West Lake Street Chicago.

Form 45A.

ETHYL CORPORATION RESEARCH AND DEVELOPMENT DEPARTMENT r e s ea r c h l a bo r a t o r ies 1600 WEST EIGHT MILE ROAD FERNDALE 20, DETROIT, MICHIGAN January 25, 1962 Dr.

Ha r o l d G.

PROGRESS REPORT Cal.

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