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Dr. Frank Edward Simpson
Dr. Roy Emmert Flesher
Radium Therapy and Skin Diseases
59 E Madison St. Cor. Wabash Ave.
CHICAGO
October 17,1925.
Dr. Frederick N. Flinn,
437 West 59th St.,
New York City.
Dear Doctor Flinn:
Replying to your letter of October 14th, I am much interested
in your remarks and experiments.
Replying directly to your question as to whether or not continuous
exposure to such a small quantity or mesothorium or radium as would be contained in
five milligrams of luminous paint would be harmful. I would say that it seems to
me unlikely that serious effects either local or constitutional would be produced.
I would suggest that you write to Dr. C. H. Viol, in care of the
Radium Chemical Company, Pittsburgh. Pa., who, I believe, would be able to give you
authentic information on this point.
With best wishes, I am
Yours very truly,
(signed) Frank E. Simpson
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"ocrText": "COPY\nDr. Frank Edward Simpson\nDr. Roy Emmert Flesher\nRadium Therapy and Skin Diseases\n59 E Madison St. Cor. Wabash Ave.\nCHICAGO\nOctober 17,1925.\nDr. Frederick N. Flinn,\n437 West 59th St.,\nNew York City.\nDear Doctor Flinn:\nReplying to your letter of October 14th, I am much interested\nin your remarks and experiments.\nReplying directly to your question as to whether or not continuous\nexposure to such a small quantity or mesothorium or radium as would be contained in\nfive milligrams of luminous paint would be harmful. I would say that it seems to\nme unlikely that serious effects either local or constitutional would be produced.\nI would suggest that you write to Dr. C. H. Viol, in care of the\nRadium Chemical Company, Pittsburgh. Pa., who, I believe, would be able to give you\nauthentic information on this point.\nWith best wishes, I am\nYours very truly,\n(signed) Frank E. Simpson"
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