English, c. 1880, engraved to the rear of the foot 'NEGRETTI & ZAMBRA LONDON' on a cast brass base, with plano-concave mirror, substage collar, glass stage with push/pull focus and screw fine focus, with eyepiece and 2 cased objectives in the original French polished mahogany case
Sold for £88
Result plus buyers premium
English, c. 1880, engraved to the rear of the foot 'NEGRETTI & ZAMBRA LONDON' on a cast brass base, with plano-concave mirror, substage collar, glass stage with push/pull focus and screw fine focus, with eyepiece and 2 cased objectives in the original French polished mahogany case