Document EmdbNVwdvNe4pq28kVzDzYdMn

May 12, 1949 D r . Georgs Calingaert, Ethyl Corporation, 1600 M . Eight Mile Road, ierodale 20, Detroit, Mich. Dear Doctor Calingaert l , On March 22 Doctor Kehoe wrote to you, sending you a copy of "A Study of the Relative Evaporation Rates of Tetraethyl Lead from Gasoline and Vitol* and. requesting :Iyour 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 . E . iortlage, Secretary to Dr. Kehoe ef K f 0020625