A Powell & Lealand 1/20 inch Objective
English, c. 1870, signed to the lid of the can ’POWELL & LEALAND, LONDON, 1/20 Apochromatic Oil Immersion, N.A. 1.4’, objective with correction collar and engraved ’POWELL & LEALAND, LONDON, 1/20 Apochromatic Oil Immersion, N.A. 1.4’ (front lens missing).
Sold for £192
Result plus buyers premium
English, c. 1870, signed to the lid of the can ’POWELL & LEALAND, LONDON, 1/20 Apochromatic Oil Immersion, N.A. 1.4’, objective with correction collar and engraved ’POWELL & LEALAND, LONDON, 1/20 Apochromatic Oil Immersion, N.A. 1.4’ (front lens missing).