COPY NORTHWESTERN UNIVERSITY Evanston, Illinois Nov. 3, 1945 Dept, of physics The College of Liberal Arts Dr.

January 7, 1941 Mr.

INTER-OFFICE CORRESPONDENCE Et h y l Ga s o l in e Co r p o r a t io n Se a t t l e Div is io n | 1411 Fo u r t h a v e n u e 1 i Se a t t l e , Wa s h in g t o n March 19, 1942, Memorandum to Dr.

SECOND SPECIAL REPORT ON LEADED ZINC EXPOSURES 0 SUPPLS.1SHTARY TO: BULLETIN RC-64. . ................

SNT&t-CrFIOl LEI it:R ?

ETHYL CORPORATION AIR MAIL INTER - OFFICE CORRESPONDENCE t o Dr.

November 1*5, 1941 Dr.

Cincinnati :9 Ohio PRESIDENT-ELECT FRANK A.

33fey v/ 14 July 27, 1944 Robert A* Kehoe, M.

TRADE SAME; category; COLOR; SUUEEJl; QUALITT; CPALLTY MIXED Sail GLOSS FINISH ibside sac gloss paint WHITE 2Cti7 SECOND 13.

TRADE NAME: CATEGORY: COLOR: NUMBER: QUALITY: COOLED':E HYGRADE ZAne or Traffic Paint White 5184 First PIGMENT: %55 Lithophone Ultramarine Blue LB. 400 1/4 YIELD IN GALLONS 11.16 UNIT COST 4iisC 32/ TOTAL COST 18.00 .08 VEHICLE: 45# Street Marking Licuid 7-M-?

UNIT COST TOTAL Ci 140 10?

December JO, 1944 19 Dr.

ILvMmU IfixadljiLaiiipa^^ CLINTON M.

SCHEDULE 1 GRADE SPECIFICATIONS COST AND SELLING PRICES AS OF MARCH 51, 1942 TRADE NAME: CATEGORY: COLOR: NUMBER: QUALITY: Wescote Supreme Exterior House Paint White 1020 PIGMENT: 66# 35% Leaded Zinc Oxide Basic Carbonate White Lead Titanium Dioxide Barium Sulphate Magnesium Silicate POUNDS 540 215 129 301 135 YIELD IN GALLONS 'UNIT COST* 11.10 <>'" .0675 Per Lb. 3.85^.075 Per Lb. -------- 4.00^3". 145 Per Lb.