A 19th-Century lacquered and oxidised brass microscope, signed on the stand NEGRETTI & ZAMBRA, LONDON, the body tube located on an arm with bracket support, focusing by rack and pinion with fine adjustment, mechanical stage, sub-stage condenser, and plano-concave mirror, with bull's-eye condenser, 2 objectives, 2 eyepieces and other items, in mahogany carrying case - 10¾in. (27.3cm.) high; and 3 boxes of slides.