拍品专文
Brewster's kaleidoscope was patented in 1817 and P. and G. Dollond of St. Paul's Churchyard, London were amongst the initial list of those selling and making it.
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细节
Brewster-patent Kaleidoscope
Dollond, London; the red morocco leather-covered body tube and lacquered-brass fittings, engraved around the eyepiece DR BREWSTER'S PATENT KALEIDOSCOPE, DOLLOND, LONDON and a lacquered-brass barrel with magnifying lens, mounted on an adjustable compass socket and single-draw lacquered-brass pillar attachment, contained in a fitted mahogany case with six sealed circular specimen trays, each with clear glass top and diffused-glass base, holding samples of lace, beads and coloured glass shapes, mounting screw and applied paper label with manuscript legend Richard French
Dollond, London; the red morocco leather-covered body tube and lacquered-brass fittings, engraved around the eyepiece DR BREWSTER'S PATENT KALEIDOSCOPE, DOLLOND, LONDON and a lacquered-brass barrel with magnifying lens, mounted on an adjustable compass socket and single-draw lacquered-brass pillar attachment, contained in a fitted mahogany case with six sealed circular specimen trays, each with clear glass top and diffused-glass base, holding samples of lace, beads and coloured glass shapes, mounting screw and applied paper label with manuscript legend Richard French
出版
A.D. Morrison-Low 'Brewster and his Scientific Instruments' in Martyr of Science. Sir David Brewster 1781-1868, p.60-62, 84-86.