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Mid-19th Century Collins brass microscope

This all brass microscope of circa 1860 is signed, "C. Collins, Optician, 157 Gt. Portland St., London ", on the base, and stands 10 1/4" when closed. It comes with three Collins objectives: a 1", a ", and a ". All lenses come in brass Collins canisters, but all canisters are marked for " size. The system comes with two eyepieces, a dark-field condenser, and a live box. Coarse focus is by rack and pinion, and fine focus by a wheel on top of the limb. The microscope comes with a mechanical stage with full lateral movement. All controls are in excellent working condition. The finish is lacquered brass and black oxidized brass on the base and limb. The microscope retains most of its original lacquer with some small spotting on the barrel. The concave mirror is excellent. The dove-tailed mahogany case is in fine condition with a brass carry handle and a felt bottom. Inside the case is a white oval label that says: "Chas. Collins, Microscope Manufacturer, 157 Gt. Portland St., London". In sum, this is a fine microscope from a distinguished 19th century manufacturer.

Item 1037

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