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- इसका हिस्सा Safety Light Collection, Records Related to Radium Dial Painters
Extracted text
OCR Page 1 of 2U
March 12, 1924
Dr. Cecil K. Drinker
School of Public Health
Harvard University
55 Van Dyke St.
Boston, Mass.
Dear Sir:-
We are sending you under separate cover some of
our Undark material both radio-active and non-radicactive,
concerning which our President, Mr. Arthur Roeder, has
written you.
Very truly yours
UNITED STATES RADIUM CORP.
Vice-President
HBV/H.
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