Document GmQobr6EBwOjpN4GkwZx9MJJV

May 1$, 1949 Dr. George Calingaert, Ethyl Corporation* 1600 V. Eight Mile Dead, Ferndale 20, Detroit, Mich. Dear Doctor Calingaerti On March 22 Doctor Kehoe wrote to you, sending you a copy of "A Study of the Relative Evaporation Bates of '.Tetraethyl Lead from Gasoline and Vitol" and requesting riyour considered judgment as to its validity in relation to the practical problem presented Doctor Kehoe recalls receiving your comments, but is unable to locate the letter. He "would appreciate it very much if you would send him another copy, since a thorough search of our office and files has not brought the original letter to light. Very truly yours. E. B Fortlage, Secretary to Dr. Kehoe ef KF 0020625