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E. LEITZ, Wetzlar
A lacquered-brass and black-enamelled compound monocular petrological microscope, No. 56764, with rack-and-pinion focusing, objective slider aperture, revolving circular stage with brass scale, condenser, illuminator and plano/concave mirror, on Y-shaped foot -- 11in.(28cm.) high, with accessories in fitted mahogany case
A lacquered-brass and black-enamelled compound monocular petrological microscope, No. 56764, with rack-and-pinion focusing, objective slider aperture, revolving circular stage with brass scale, condenser, illuminator and plano/concave mirror, on Y-shaped foot -- 11in.(28cm.) high, with accessories in fitted mahogany case