Document rpg092YbKE1NQ05eJZjrqb9E7

M arch ?* 1940 Dr. Georg Callh gaert Ethyl Gasoline Corporation 723 East Milwaukee Avenue D et r oit , Michigan Dear Cal* I have seen on of the simpler types of mercury d etector s as supplied by the General Ele ct r ic Company, and I as very much In terested in knowing th at they have developed or are developing a more precis equipment for t h is purpose* Hot 'only am I in t er est ed in t h is device in connection with mercury exposure* but I am also d e fin it e ly in t er sr t ed in th app licat ion of some such p r in cip le for the detection of t et r aet h y l lead * You are w ell aware, no doubt* t h at the instrument would bo of very l i t t l e use to us u n less i t would give fa i r l y accu rate qu an t itative figu r e s. I f t h is could be done* I am sure th at we ecu Id fin d good use fo r such equipment. X should bo very glad i f you would keep in touch with t h is m atter and fu rth er any developments so fa r as p ossib le* Sin cerely yours, RAKjis . Robert A. Kehoe, M.D. KZ 0020160