Marked ‘Dienstglas’ translated to ‘service glass’ and No 119807 and Fernglas 08 Emil Busch A-G Rathenow (1792 - Johann Heinrich August Duncker (1767-1843) began to make optical instruments in Rathenow; 1872 - the Optische Anstalt Rathenow became the stock market company Emil Busch AG; worked closely with Zeiss, from which they obtained their optical glass. The green or 'feldgrau' paint coating on the body of the binoculars is worn in parts which adds to the patina. The lenses are undamaged. The canvas and leather case has its original straps and lens covers and on the inside of the lid are the original paper label instructions for use. A fine pair of now scarce binoculars. The price includes UK delivery. 21645.