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James Van Allen journal, 1951?-December 1954
Page 134
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In our proposal for renewal of ONR conract for period 15 February 1955 to 14 February 1956. Accomplishments from 15 January 1952 up to 1 September 1953: ------------------------------------------- (a) Development of the rockoon, a new relatively inexpensive device for carrying experimental equipment to High Altitudes. (30 lbs to over 100 km) (b) The measurement of Total Cosmic Ray Intensities above the Atmosphere at Northern Latitudes (c) The Establishment of the Existence of a Cut-off in the Momentum Spectrum of Heavy Primary Cosmic Rays. (d) The Existence of a Very Soft Component of Cosmic Rays in the Atmosphere (e) Measurement of Fluctuations in Cosmic Ray Intensity (f) A New Phenomenon Observed at Intermediate Northern Latitudes (g) Mechanical Computer
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In our proposal for renewal of ONR conract for period 15 February 1955 to 14 February 1956. Accomplishments from 15 January 1952 up to 1 September 1953: ------------------------------------------- (a) Development of the rockoon, a new relatively inexpensive device for carrying experimental equipment to High Altitudes. (30 lbs to over 100 km) (b) The measurement of Total Cosmic Ray Intensities above the Atmosphere at Northern Latitudes (c) The Establishment of the Existence of a Cut-off in the Momentum Spectrum of Heavy Primary Cosmic Rays. (d) The Existence of a Very Soft Component of Cosmic Rays in the Atmosphere (e) Measurement of Fluctuations in Cosmic Ray Intensity (f) A New Phenomenon Observed at Intermediate Northern Latitudes (g) Mechanical Computer
Van Allen Papers
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