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UNIVERSITY OF MISSOURI COLUMBIA DEPARTMENT OF CHEMISTRY is' May July 18, 1930 Dr. H S. Miner H.H. Barker We labach Company U.S. Radium Corp. dloucester, New Jersey535 Pearl St. N.Y.City pity first Dear Dr. . Miner: go I hope that you will kindly go back in your files and tell me how active we reported Mrs. McDonald at the time Dr. Failla and I made measurements at the Marseilles Hotel in November, 1928. It might interest you to know that if we take the dry weight of the skeleton of Mrs. McDonald to be 4,500 grams and compute the total radium content on the basis of the radium found present in the humerus, which we have put down at the present time as 2.67 x 10-9 grams per gram radium, the total radium will come out to be 12 micrograms. Yours very truly, Herman Schlundt Herman Schlundt. HS/GMA