Extracted text

OCR Page 1 of 2
UNIVERSITY OF MISSOURI COLUMBIA DEPARTMENT OF CHEMISTRY May 7th, 1931. MAY 11.1931 Mr. H. H. Barker United States Radium Corporation 535 Pearl Street New York City, New York My dear Barker: I am pleased to hear that Dr. Failla has made at least one measurement on Miss Fryer and the fact that he found the decrease so small is very satisfying to me because it is evident that there is no such marked drop as Dr. Flinn reported for his cases, The Wulf-Hess electrometer has already proved its worth. We may be able to do most of the activities of the excreta from the rats by incinerat- ing them and measuring the activity of the residues by the gamma ray method using the Wulf-Hess instrument. With best regards, I remain, Sincerely yours, Herman Schlunds Herman Schlundt. hs.as