Details
A 19th-Century lacquered and oxidised-brass compound binocular microscope,
signed on the Ross-type arm C. COLLINS, Optician, 77 Gt. Tilehurst Street, LONDON, with rack and pinion coarse focusing and fine adjustment, prism and sliding polariser attachment, mechanical stage, sub-stage condenser with iris diaphragm and plano-concave mirror, raised on twin pillars from the marbled finished Y-shaped foot, with four eyepieces and one objective, in fitted mahogany case with brass carrying handle -- 18in. (45.7cm.) high
See Illustration
signed on the Ross-type arm C. COLLINS, Optician, 77 Gt. Tilehurst Street, LONDON, with rack and pinion coarse focusing and fine adjustment, prism and sliding polariser attachment, mechanical stage, sub-stage condenser with iris diaphragm and plano-concave mirror, raised on twin pillars from the marbled finished Y-shaped foot, with four eyepieces and one objective, in fitted mahogany case with brass carrying handle -- 18in. (45.7cm.) high
See Illustration