ca d d el u SECjRETA RY Th e w o r k m e n 's C o m p e n s a t i o n In d u s t r ia l Co m m is s io n o f Me d i c a l s e c t i o n COLUMBUS Oh io D R.

LAKE, CHAIRMAN A* w h i t e .

Gr a iia mEd g a r DIRECTOR OF R ESEAR C H Et hyl Gaso l ine Cor porat ion Chr ysl er Buil dzng 135Ea si 42St r eet Ie w Yokk Sept. 13, 1933, Dr, Robert A, Kehoe, College of Medicine, University of Cincinnati, M e n & Bethesda Aves., Cincinnati, Ohio, My dear Kehoe: I have your letter of September 11th and have forwarded you today a few photographs submitted by Mr, Ronan from the Barnsdall installation at Okmulgee, Mr.

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-7 ROBERTS CHEMICALS, Inc.

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ETHYL CORPORATION SOUTHERN REGION NATIONAL BANK OF TULSA BLDG.

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