A Brass Solar microscope with rack barrel objective, in mahogany case, made by William Harris & Co, 50 Holborn, London London, C 1830. Signed on the square rotating base-plate, the mirror with geared adjustment, the body tube with slide carrier to the top and slot for the objective lenses, rack and pinion for focusing, together with a brass slider with four numbered objectives, two various brass and one wooden slide with objectives (some beads lacking), 4 bone and 2 wooden
Read More...