Monocular Microscope Wooden case with a brass handle on top and a front lock (key missing), containing a monocular microscope made of metal and brass, featuring a vulcanite-covered stage and a triple nosepiece. The case includes internal slide-in storage compartments for eyepieces (four are missing), and two empty brass cases with lids. The microscope was made by Fratelli Koristka and sold by the City Sale & Exchange. 1875-1925