A late 19th century French lacquered brass monocular microscope, the body tube signed 'E. Hartnack & A. Prazmowski Rue Bonaparte 1. Paris', with fine adjustment and attached bull's-eye magnifier, on a green iron horseshoe base, height 25.5cm, with fitted mahogany hinged lidded box containing a spare eyepiece and lens.Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price. Lots purchased online via the-saleroom.com will attract an additional charge of 6% (including VAT @ 20%) of the hammer price.