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OCR Page 1 of 2November 20th,1931.
State Department of Labor,
571 Jersey Ave.,
Jersey City, N.J.
Attention Mr. Roach
Dear l.r. Roach:
I am glad to herewith send you three reprints
of articles, two of which deal with the subject of the
detection, estimation and elimination of radium in living
persons, and one dealing with the dangers in refining radio-
active substances.
I an sure you will find these reprints of
interest and value in your study of possible dangers in con-
nection with the handling of radium.
Very truly yours,
Vice President.
HHBarker:RH
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