A good matching set of bone microscope sliders, early 19th century. Each with 4 cells and all specimens/rings intact. The usual examples of flora and fauna. Measure ~ 79 x 13 mm. if you have a microscope that will accommodate these. 18th century examples tend to be a little smaller (72 x 12 mm.) and later examples can be as large as 90 x 18 mm. dimensionally.
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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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