German. C.1890, signed to the of the foot ‘VOIGT & HOCHGESANG, GOTTINGEN’, standing on a ‘Y’ shaped base with squat turned pillar supporting the microscope with a compass type joint to the underside of the stage, with a plano-concave mirror in a gimbal on an articulated arm, The rotating stage with a plolariser on a slide in/out dovetail with rack and pinion focusing, polariser with engraved scale, stage with slide positioning scale and scale engraved around the edge, triangular support at the back incorporating screw operated fine focus with a large nickel plated adjustment wheel, with push/pull focusing, nosepiece with X-Y centring, with quartz wedge in pull out drawer, with eyepiece with crosshais and micrometer, with two objectives, two mineral microscope slides by Voight & Hochgesang, and a rare catalogue of microscope slides from the firm of Voigt & Hochgesang, Gottingen. The catalogue is dated 1897 with 4 pages listing all of the mineralogical slides made by the company.
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