Document zdKRL1r69KwebeN35xd5oDXRR

/ . /. -L X.-v i ;; SHELL OIL COMPANY P. O. BOX 262 WOOD RIVER, ILLINOIS April 6, 1953 Dr. Robert A. Kehoe The Kettering LaboratoryUniversity of Cincinnati Cincinnati, Ohio Dear Dr. Kehoe: We are grateful for the report of the analysis of the sample of rust and scale -which was attached to your letter of April 1, 1953* The explanation presented in your letter is also very helpful. Please submit your bill for this test to the attention of the writer. LAL/ddc L. A. Lohman Superintendent-Administrative Wood River Refinery KE 0009753