German, c.1895, engraved in script 'Carl Zeiss Jena', to Hartnack's design with a mount for a substage collar, nickel plated collimator with adjustments with internal prism arrangement,
Sold for £500
Result including buyers premium
German, c.1895, engraved in script 'Carl Zeiss Jena', to Hartnack's design with a mount for a substage collar, nickel plated collimator with adjustments with internal prism arrangement,
Auction: Science, Medicine & Early Technology, 1st May, 2024