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James A. Van Allen journal, October 1955-March 1958
Page 175
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Leo P. Beck Sophomore Engineering Student employed as research aide at $1.10 per hour on 11 March 1957 Q-694 ex - Navy electronics technician -------------------------------------- "The Annual Deposit of Meteoritic Dust" Warren J. Thomsen Sky and Telescope, Volume XII Number 6 April 1953, pages 147-148. Collected samples and measured size distribution from 10 μ diameter to 85 μ. ~ 2.0 x (10 exponent 9) kg/year for whole earth. or a layer one micron thick in 1000 years.
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Leo P. Beck Sophomore Engineering Student employed as research aide at $1.10 per hour on 11 March 1957 Q-694 ex - Navy electronics technician -------------------------------------- "The Annual Deposit of Meteoritic Dust" Warren J. Thomsen Sky and Telescope, Volume XII Number 6 April 1953, pages 147-148. Collected samples and measured size distribution from 10 μ diameter to 85 μ. ~ 2.0 x (10 exponent 9) kg/year for whole earth. or a layer one micron thick in 1000 years.
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