A fine example of a signed Sorby-Browning microspectroscope in mahogany case with slides and coloured glass tubes. Complete and in fine working order (albeit a few screws need sorting out-extras included). Both mirrors intact, good spectral images with eyepiece included. Machined guilloche stage with blued stage clips and micrometer focusing to secondary mirror. 95% + original lacquer. 7 inches long in fitted flame mahogany case 15 x 5 x 2 inches deep. John Browning, 63 Strand, London. c.1870.
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Mark Hacking (Scientifica Opticae Inc.) has been an avid collector/dealer for over 30 years. A former Science teacher, he has an innate love for anything natural or mechanical. Specializing in optical (microscopes, telescopes), surveying, medical, weighing and drawing instruments, he is an active participant of the Scientific Instrument Fair in London. Living in Stratford, Ontario, Canada, with his wife and two children; Mark looks forward to meeting as many fellow collectors as possible, and has a worldwide following on eBay (Sciopti).
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