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LicenseMonocular microscope signed `J. Grunow, New York. No.757', c
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© The Board of Trustees of the Science Museum
Monocular microscope signed `J. Grunow, New York. No.757', c.1880 with spiral tube coarse focussing, aperture wheel mounted flush with stage, and mirror on double-jointed arm capable of above-stage illumination, complete with two objectives two eyepieces, in fitted wooden case (one stage clip and one case panel lacking)
