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Room 6306- - C
mass. Dnst. of Technology
Cambridge, mass.
January 20, 1942
Mr. C. W. Wallhausen
United States Radium Corp.
535 Pearl street,
new york
Dear Sir:
Can you supply about
% milligrame of high grade radium
salt of say 90% purity in water.
Last may I bought from
the United states Radium Corp.
a $ 15.00 ampoule of radium.
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