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planning of this project.
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necessary materiale and to have them adequately calibrated at the
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Camzamler langer arranged to procure the
Naval Shipyard Materiel Laboratory, Brooklyn, New York,
This
laboratory was already carrying out an extensive program to study
the heat sensitivity of certain coatings for use on Naval Materiel,
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Arrangements were made through Carmander Edmund J, Hoffman, USN, of
the BuShips to use the same racks for expos‘.g the plates that were
to be used for the samples being exposed by the Bureau of Ships,
Ganma Radiation Shielding.
On 10 October 1947 the BuShips was advised that tests would be
conducted by the Atomic nergy Conmission which would measure all
the physical phenonera associated with the detonation of an atomic
weapon,
It was further learned that the armod services wowld lend
logistical support and would be permitted to make additional observations provided they could be accomplished without interference with
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the AEC basic tests and without materinly increasing the logistical
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support required,
At this time it was understood that a rather
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conplete gamma-ray shielding program proposed by the AFS/P was
inclw'ed in the scientific progran,
Accordingly, on 13 October BuShips submittod a letter to the
Joint Froof Test Committee outlining its proposals for tests to be
conducted.
In this letter it was requested that the Bureau of Ships
be furnished a report on the transmission of gamma rays through
various shielding media,
At a conference attended by Dr. Frama,
Captazr. Russell of the AEC, and Captain Howell, USN, Canmander
~ 28 —
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