Telescope - 1920-1930 - Italy - Fratelli Koristka Milano

Period monocle produced by the historic company Fratelli Koristka, founded in Milan at the end of the 19th century by Francesco Koristka, the most important Italian entity for optical precision instruments. Serial number - No. 42227 Production - Mid-1930s Focus adjustment - Adjustable View - Excellent Lenses - Excellent Other adjustment for distance settings Note - The adjustment of the front diaphragm is partially blocked (as in the photo) but does not affect use and good visibility

Estimate:$364.14

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