A fine pair of 'Twin-telescopes" with their original leather case made by "Negretti & Zambra, Opticians To Her Majesty Queen Victoria, London circa 1870

Twin telescopes are simply very high powered binoculars. This pair is in very good condition with amazing optics. The lid on the leather case has been gold embossed on a purple silk lining with name Negretti & Zambra.