https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
原始上傳日誌
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2008-05-06 20:41 Ron B. Thomson 684×484 (314 ko) Great Paris Exhibition Telescope of 1900, eye-piece holder. From ''L'encyclopédie du siècle'', (Paris, 1900), 41-78