Document 3eBQ4vb9MejjZ2nOk0wopDaeJ

HARVARD UNIVERSITY / SCH OOL OF PUBLIC H EALTH D e F AKT U ZN T OF I D U I T [ AL HYGIENE i i Shattuck Street 'Boston , ^ M assachusetts December 10, 1938 Pi** Robert A. Kehoe Kettering Laboratory of Applied Physiology University of Cincinnati Cincinnati, Ohio Dear Dr Kehoet The enclosed may interest.you* I do not know anything whatever about this firm and I rather imagine I may have started something ' If you do not care to become embroiled, simply pass it all right back to me. It does air conditioning no good to have this feature pushed unless they have some real data to show that my opinions are all wring. PD:FF Enc. N 24771