Seeking Verification
Below, you will find correspondence seeking to confirm—as well as acknowledging—that Coolidge was primarily responsible for development of the Coolidge Tube. At right are letters concerning Sub-Committee membership to investigate the Coolidge Tube.
Committee Secretary Letter
to E.W. Rice, Requesting confirmation of
Coolidge as the primary developer of the
Coolidge Tube, 2/4/1926. (316K)
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Committee Secretary Letter
to Willis R. Whitney, Requesting confirmation that
Coolidge is primarily responsible for development
of the Coolidge Tube, 2/4/1926. (504K)
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L.M. Willey Letter
to George A. Hoadley, Assuring that
Coolidge was the guiding thought in the
development of the Coolidge Tube, 2/6/1926. (685K)
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H. Fredericks Letter to
George A. Hoadley, Assuring that the
Coolidge Tube is unquestionably the primary
conception and design of Coolidge alone, 2/6/1926. (323K)
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CSA Secretary Letter
to H. Fredericks, Acknowledging the
confirmation of Coolidge's work on the
Coolidge Tube, 2/9/1926. (467K)
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E.W. Rice Letter
to George A. Hoadley, Endorsing the statement
that the Coolidge Tube is primarily the work
of Dr. Coolidge, 2/24/1926. (219K)
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CSA Secretary Letter
to Willis R. Whitney, Requesting personal confirmation that the tube was the personal invention of Doctor Coolidge, 4/14/1926. (500K)
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Willis R. Whitney Letter to CSA Secretary, Confirming that Coolidge is primarily and solely responsible for this X-Ray tube, 4/16/1926. (647K)
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Committee Secretary Letter to Clarence A. Hall, Requesting an opinion on candidates for the Sub-Committee investigating the Coolidge Tube, 3/3/1926. (545K)
C.A. Hall to George A. Hoadley, Providing recommendations for Sub-Committee membership, 3/6/1926. (431K)
George A. Hoadley to Thomas D. Cope, Informing of appointment to membership of the Sub-Committee investigating the Coolidge Tube, 3/10/1926. (484K)
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