Cat.42 Rif. 713
R & J. BECK BRASS COMPOUND MONOCULAR MICROSCOPE, English, about 1880.
signed on the stand R & J. Beck Ltd London 26107, the calibrated body tube with rack and pinion coarse and micrometer screw fine focusing, four objective attachent, above a circular calibrated rotating stage with specimen finder and scale above a mechanical sub-stage with condenser and micrometer fine focus control supported on a bar-limb and mounted on a tripod base, and contained in a mahogany case with a Carl Zeiss binocular attachment and various objectives and oculars. 37cm (14 1/2 in) high.
The property of a Lady. From the collections formed by Lady Charlotte Schreiber (1812-1895); inherited by her youngest daughter Blanche, Countess of Bessborough; thence by decent.