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Early Leitz Continental brass microscope – circa 1891

This is an early example of a high end Leitz continental microscope. It is signed in script on the base, "E. Leitz Wetzler, 18927". The serial number would date it to circa 1891. It stands 12" tall when closed. Coarse focus is rack and pinion; fine focus by a micrometer knob on top of the limb. The microscope has Leitz mechanical stage that is fully integrated into the stage. All rack work is in excellent working condition. The sub stage condenser has a variable iris diaphragm. It is on a swing-out lever, and can be adjusted off axis for oblique illumination. The plano-concave mirror is excellent on the plane side, but has the beginnings of age crazing on the concave side. The optical system is comprised of three original Leitz lenses and two eyepieces. The lenses are a 3, 6, and 1/12 oil. The eyepieces are numbered, 1 and 3. The optics are up to the typical Leitz high standards. The finish on the microscope is lacquered brass. The lacquer coverage is 100% with typical age spotting, and a roughness on the barrel. The instrument is housed in its original case with matching serial number. The case is in very good condition with an inlaid door, brass handle, lock and key. Overall, this is an excellent microscope, an early and elegant example of the popular continental style.

Item 1118

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