Ten inch Equatorial Telescope (The Engineer, Nov. 10, 1971).jpg
{{Creator:John Swain}}
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Ten inch Equatorial Telescope (The Engineer, Nov. 10, 1971), John Swain, T. Cooke & Sons
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Ten inch Equatorial Telescope (The Engineer, Nov. 10, 1971), Ten Inch Equatorial Telescope
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赤道10インチ望遠鏡
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天インチ赤道儀
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hopeful