A Watson "Royal" Compound Microscope

English, c.1900, signed to the back of the foot ‘W Watson & Sons, Ltd, 313 High Holborn, London, 4168’, mechanical substage with screw X-Y control focusing via rack and pinion, mechanical stage with X-Y control via rack and screw, stage with vernier scales, course focusing to rear of bodytube, rack and pinion adjustment to drawer tube, with second drawer tube, in original French polished mahogany case with 5 objectives (4 Leitz 1 Watson Holos) in cans, 3 eyepieces, substage condenser, all in the original French polished case