Brewster stereoscope 布鲁斯特立体观测镜 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——苏格兰物理学家、数学家、天文学家和发明家大卫·布鲁斯特爵士（1781-1868）设计了一个双镜头立体观测镜用来观看立体照片。直到十九世纪末，这种装置都一直非常流行，据说没有哪个家庭是没有这个装置的。 未经授权，不得转载！ |
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