English, c.1860, signed to the rear of the foot 'A Ross, LONDON, No.473' standing on a massive 'Y' shaped base with tall uprights supporting the body of the microscope on large trunnions, with large plano-concave mirror, substage with rack and pinion focusing, screw X-Y adjustment with early Ross (non RMS) diameter collar, stage with X-Y control, large rectangular sectioned bar with bar limb on top with integeral fine focus mechanism, with later adapted fine focus control, with short body tube, in original mahogany case with a few accessories, case handle engraved W. Wallford, with original receipt from Harriet Wynter for £60.00 dated 1967