Microscope f koristka milano n 3 xixeme bronze and brass with magnifying glass

This microscope dates from the nineteenth century is made of brass, it bears the mark f.koristka milano on its objective n ° 3. Koristka was an italian optics company, based in milan. It was founded in the 1880s and the full name was fratelli koristka. They made binoculars, microscopes and lenses. Among them is a victor 55/3.5 in leica screw mount francesco koristka, of polish origin, after working in vienna founded in milan in 1881 a company, mechanical optics f. Onward, which became the most important in italy for the construction of microscopes and one of the few italian precision industries that exported both to europe and america. It is in an attic nature state, it weighs a weight of 1.3 kilograms. Important parts such as, the rack and the focus screw the plate holder and filter holder, the mirror, the eyepiece and the lens are in place, but we can not guarantee its operation, the general condition is quite adequate. We sell it uncleaned unedited. For the state thank you for detailing the photos. The photos are an integral part of the description. Size: Height: 39 m. Length: 15 cm. Width: 12, 3 cm. M276.