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- इसका हिस्सा Safety Light Collection, Records Related to Radium Dial Painters
Extracted text
OCR Page 1 of 2U.S.R.C. INTERIOR MEMORANDUM
Jan 25, 1926.
Date
Mr. Roeder.
Subject
For Attention of
Answering Memo. of
Dear Mr Roeder:
I am sending you herewith data relative to the radium loss of
DR. P. H. Cook at Worcester, Mass.
Also copy of data, etc. which I have prepared for Dr. Flinn.
Yours, truly,
H. H. Barker.
States
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