Additional Formats
"The First Decade of Observations with the Hale 200-Inch Telescope," Penrose Lecture for 1960, presented at the American Philosophical Society meeting, [includes brief resumé of the lecture]
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"Memorandum on Coudé Spectrograph for 200-Inch Telescope."
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"Memorandum on Damping of Vibration in 200 Inch Telescope."
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Record books of 200-inch telescope mirror tests
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"Memorandum on Use of Stellar Interferometer on 200-Inch Telescope."
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