A patented feature prevents the condenser from being inserted into the This condenser can be removed from its housing there are two iris diaphragms, one above and one below The substage condenser rises or falls via a helical 'quick screw' as described in the patent. It is of chrome plated brass, and has verniers in X and Y axes. It has holes for two stage clips, but these have been replaced with a later mechanical stage with separate X and Y controls. The surface of the stage is of vulcanite. There are three objectives on a triple nosepiece. Quick motion to the fine focus and the larger knob a slower one. The fine focus, adjusted by a silvered knob, has two patents as noted below. There is a patented adjustment for pressure of the outer fitting against the bearings of the coarse adjustment, which is adjusted by a silver-colored knob. Arising from the foot is a short pillar, to which the main body of the microscope is attached via a compass joint.Ītop the microscope is a standard 22 mm diameter ocular which fits into the chrome-plated graduated draw-tube.Ĭoarse focus is by diagonal rack and pinion (a Swift innovation). This 'Continental Style' microscope sits on a Y-shaped 'horseshoe' foot.
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