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UNIVERSITY OF MINNESOTA SCHOOL OF CHEMISTRY MINNEAPOLIS October 14, 1930 OFFICE OF THE DEAN Mr. Howard H. Barker United States Radium Corporation 535 Pearl Street New York City Dear Barker: Many thanks for your letter of October 8 and the very interesting enclosures which I have read with a great deal of profit. If I have an opportunity to pass judgment on the results obtained in the survey by the Public Health Service, I would be very glad to bear these precautions in mind. I should think that they would be very necessary in the detec- tion of amounts of radium in the living body as low as two micrograms. I do not understand why these precautions should have been neglected when the paper by Schlundt, Barker, and Flinn has now been out for a year and a half. I trust that the report will prove that the necessary precautions have not been neglected, and that your information is correct. I will certainly be glad to look in on you, whenever I get to New York. I have no plan for coming in the immediate future. With best regards, Sincerely yours, s. b. Lind S. C. Lind, Director. SCL:EN

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    "ocrText": "UNIVERSITY OF MINNESOTA\nSCHOOL OF CHEMISTRY\nMINNEAPOLIS\nOctober 14, 1930\nOFFICE OF THE DEAN\nMr. Howard H. Barker\nUnited States Radium Corporation\n535 Pearl Street\nNew York City\nDear Barker:\nMany thanks for your letter of October 8 and the very\ninteresting enclosures which I have read with a great deal\nof profit. If I have an opportunity to pass judgment on the\nresults obtained in the survey by the Public Health Service,\nI would be very glad to bear these precautions in mind. I\nshould think that they would be very necessary in the detec-\ntion of amounts of radium in the living body as low as two\nmicrograms. I do not understand why these precautions should\nhave been neglected when the paper by Schlundt, Barker, and\nFlinn has now been out for a year and a half. I trust that\nthe report will prove that the necessary precautions have not\nbeen neglected, and that your information is correct.\nI will certainly be glad to look in on you, whenever I\nget to New York. I have no plan for coming in the immediate\nfuture. With best regards,\nSincerely yours,\ns. b. Lind\nS. C. Lind,\nDirector.\nSCL:EN"
}