A good 19th century Carl Zeiss 'Jena' brass monocular microscope in original mahogany case, the revolving turret with apertures for three lenses. Good original lacquer to the brass and blackened surfaces, the original fitted box with matching serial number to microscope 12273, most original fittings to box. Handle to top, original key. Case measurements 18 cm x 20 cm x 37 cm