Document a4ZYY3VpgnGpZ08OpayBKEko9

THE TRUDEAU FOUNDATION FOR THE CLINICAL AND EXPERIMENTAL STUDY OF PULMONARY DISEASE 2 PLAINTIFFS 1 EXHIBIT AB-84 AY SMU.KAC LAKE, KY. THE SARANAC LABORATORY THE TRUDEAU FOUNDATION THE TRUDEAU SCHOOL AT TftUDKAU, N.Y. THE DEPARTMENT OF PHYSIOLOGY THE DEPARTMENT OF BIOCHEMISTRY THE DEPARTMENT OF RAOIOLOGY THE TRUOEAU LABORATORY May 19, 1948 L, E. Hamlin, M.D., Medical Director American Brake Shoe Company Medical Department 2501 Blue Island Avenue Chicago 8, Illinois Dear Ham: We are forwarding to you under separate cover the x-rays apropos the cases which you forwarded to us for our study and return your enclosures, herewith. Please a ccept my sincere apolo gies for the delay in returning the material to you, but I wanted to spend more time going over the films than was possible hereto fore.; therefore, I kept them for a longer time than I originally anticipated. In a subsequent letter I will try to transmit to you some of the various comments which were expressed while studying the films. These comments may be of little interest to you since they are not in any way adverse to your impressions, which we found recorded on the envelopes in each case. In addition, on my return on Friday of this week, I will formulate a letter to you which will be of considerable surprise. C It your information, at the moment our studies prove recTui evervsenseTa^d'our experimental evidence raiis to snow puimonai^ .damage, The kernel that we nave Is this; x-ray pictures ofi3l^tm^sthat have been exposed for a long period of time to the BraKe 8hoe dust-have i'insL has been seen clinically, I am eager to relay this to you and will write`you^lff'mo're''^on my return. With every good wish. Sincerely yours, AJV :LB Enc. Arthur J. Vor^ald,. M.D, Director of ^search MAY 2 4. ?S43 ' AM. bi. S. CO MtDlCAL DEPartmb,,. Chicago SPNY 000416