Document MJ56k8N7o13KxvwB6DN6ByBJj

r PI AIVTTtrio ___ r Bell Telephone Laboratories IMCOPPOftATCO 403 West street new York chclaca s-iooo February 17, 1938 IN NCPCT ncrcf* TO MLW-414-NML acplvino re T. J. MC CONNELL, M.O. Assistant Medical Director Industrial Health Seotion Metropolitan Life Insurance Company 1 Madison Avenue New York, New York Dear Dr* McConnell: I an writing to thank you for your reply to my inquiry as to whether your experience had indicated that the application of sound-absorbing materials in offloe areas had a definitely beneficial effect on employee health* Very truly yours, i_i _x.. __- M. L. YILSON Assistant Personnel Director i