Document G7qkkzJDJ56XZmDjXe1yqr1V

COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF LABOR AND INDUSTRY HARRISBURG October 14, 1924 Dr. Cecil II. Drinker, Department of Physiology, Harvard University, 55 Van Dyke Street, 3 os t on, liassachuse 11 s. Dear Dr. Drinker: Dr. Keeker before leaving this Depart ment turned over to me your letter of Oct ober 9th in which you offered suggested changes for the questionnaire he proposed sending to various industries in Pennsyl vania. I-am very glad to have your sug gestions and will see that they are in corporated in the questionnaire before it is sent out. Thanking you very much for your in terest and help in this matter, I am Yours very truly, EBB/L