Signed on the back of the base: L. Schrauer, Maker, New York

and on one leg of the base: W. M. Keene, B. Sc. M. D.

Continental style monocular microscope, c.1890

Signed on the back of the base: L. Schrauer, Maker, New York and on one leg of the base: W. M. Keene, B. Sc. M. D. Continental style monocular microscope, c.1890

Signed on the back of the base: L. Schrauer, Maker, New York and on one leg of the base: W. M. Keene, B. Sc. M. D. Continental style monocular microscope, c.1890

Signed on the back of the base: L. Schrauer, Maker, New York and on one leg of the base: W. M. Keene, B. Sc. M. D. Continental style monocular microscope, c.1890

Signed on the back of the base: L. Schrauer, Maker, New York and on one leg of the base: W. M. Keene, B. Sc. M. D. Continental style monocular microscope, c.1890

    The mirror arm can be raised above the stage to illuminate opaque objects from above. Imbedded within the stage is wheel with 5 apertures.

Signed on the back of the base: L. Schrauer, Maker, New York and on one leg of the base: W. M. Keene, B. Sc. M. D. Continental style monocular microscope, c.1890

Hartnack objectives

    Leopold Schrauer only made the microscope stands and never made his own objectives. He supplied his microscopes with objectives manufactured by both American and European firms.The optics supplied with this particular microscope consist of two eyepeices and two Hartnack objectives numbered 2 and 7.

Signed on the back of the base: L. Schrauer, Maker, New York and on one leg of the base: W. M. Keene, B. Sc. M. D. Continental style monocular microscope, c.1890. Signature

engraved with the owner's name : W. M. Keene, B. Sc. M. D.

    One leg of the base is engraved with the name of the original owner of the microscope, W. M. Keene, B. Sc. M. D. So far, I have not been able to locate any information about a medical doctor with that name. It is engraved in the same hand that engraved the Schrauer signature suggesting that the microscope was made by Schrauer specifically for Dr. Keene.

wood case

Schrauer microscope stored in its case

A similar continental style microscope is located elsewere in this collection. It differs from the present example in the method used to focus the mirror and the use of aperture stops instead of a diaphragm wheel.

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