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細節
Brewster's patent kaleidoscope
Dollond, London; red morocco-covered and lacquered brass body tube, engraved around the eyepiece DR BREWSTER'S PATENT KALEIDOSCOPE'S DOLLOND LONDON, lacquered brass bound magnifying lens, in a matching original red morocco-covered cylindrical case and a three sealed circular specimen trays containing coloured glass beads -- 24.7cm. (9in. long)
Dollond, London; red morocco-covered and lacquered brass body tube, engraved around the eyepiece DR BREWSTER'S PATENT KALEIDOSCOPE'S DOLLOND LONDON, lacquered brass bound magnifying lens, in a matching original red morocco-covered cylindrical case and a three sealed circular specimen trays containing coloured glass beads -- 24.7cm. (9in. long)