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Correspondence on the collection of data and manufacture of equipment:
Correspondence between Atomic Energy of Canada Ltd and D.R. Palmer, March 1960, regarding the collection of data from 28 neutron monitors and 8 meson telescopes, confirming that a solar injection of low energy cosmic rays on 17 July 1959 did occur.
Data from the neutron monitor in Brazil, August-October 1958.
Correspondence regarding the manufacture of lead bricks for the cosmic ray monitors.
Correspondence with the Atomic Energy Research Establishment regarding the standardisation of equipment, 1955.
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