Extracted text

OCR Page 1 of 2
PURDUE UNIVERSITY LAFAYETTE, INDIANA DEPARTMENT OF CHEMISTRY July 23, 1930 Mr. H. H. Barker United States Radium Corporation JUN 261930 535 Pearl St. New York City My dear Barker: I will appreciate it if you will send me about 20 grams of your best phosphorescent zinc sulphide. Please send me the bill for the University, and I will have the voucher made out for the amounte What are your present prospects concerning the trial? I want to get away for ten days or two weeks and my summer is going to be pretty full owing to moving from our old laboratory to our new one. Can you give me some general idea as to when the trial will be held? Sincerely yours, rm me R. B. Moore Head, Department of Chemistry RBM/LS