Repsolds Micrometer Box for Yerkes Telescope
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A Repsolds micrometer box for Yerkes Telescope. The wheels on the sides adjusts the telescope sideways, up, and down accurately.
Keywords
telescope, Micrometer, adjusting telescope, Telescope Micrometer, Repsolds Micrometer Box for Yerkes TelescopeGalleries
Telescopes and BinocularsSource
Encyclopaedia Britannica (11th ed., vol. 18) (New York, NY: The Encyclopaedia Britannica Company, 1910)
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2899×2400, 1.6 MiB
1024×847, 211.7 KiB
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