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Scientific American

December 1, 1973

1 min read

The Amateur Scientist, December 1973

A cold camera for astronomical photography and cardboard segments for big paraboloids

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More by C. L. Stong

This article was originally published with the title “The Amateur Scientist” in Scientific American Magazine Vol. 229 No. 6 (December 1973), p. 122
doi:10.1038/scientificamerican1273-122

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