Document vV1w13XYXmQQpOk6Dnx35og56

Fo N19606 Douglas I. Frost, Ph.B. 17 Ross Road Scifuectady, New York 12308 ; Dear Doctor Frost: I promised you at Columbia to send you a copy which I gave in 1960. Much work has been done since that time on the ratifications of the problem of lead in indust for many years with the growing problems of in of the growing staff of the Kettering Laborator hadn't time for the study of data and the writ I am now engaged, in my retirement, with furth am slow because of physical disabilities from soon, especially the cataracts of my old eyes, for a time. I send you a paper-back copy of the Lectures f exhausted. It was a pleasure to meet you and With regards, Sincer Ra K:wb Robert Profes Occupa KE 0015653