1849 – Sir David Brewster (1781 – 1868) Scottish physicist, mathematician, astronomer and inventor designs a twin lens scope for viewing stereographs. until the end of the century, the device is so popular it is claimed that no home is without one. 1849——蘇格蘭物理學家、數學家、天文學家和發明家大衛·布魯斯特爵士(1781-1868)設計了一個雙鏡頭立體觀測鏡用來觀看立體照片。直到十九世紀末,這種裝置都一直非常流行,據說沒有哪個家庭是沒有這個裝置的。 未經授權,不得轉載! |