A black enamel and nickel-chrome compound monocular microscope,

细节
A black enamel and nickel-chrome compound monocular microscope,
by Prior, No. 27280 with rack and pinion focusing, triple nose-piece, sub-stage condenser and plano-concave mirror, in case 15¼in. (38.1cm.) high; a lacquered-brass and black-enamelled 'jug-handle' compound monocular microscope by Bausch & Lomb in mahogany case 14¼in. (36.2cm.) high; and a student's microscope in case (3)