An extremely rare John Cuthbert brass reflecting microscope No.35, English, circa 1830,
signed on the tube John Cuthbert, London, trade card printed The improved Amician reflecting Microscope made only by J CUTHBERT, Opticla, Mathematical & Philosophical Instrument maker, 58 Brook Street, West Square, Lambeth, numbered in ink below the trade card No.35, the optical tube held by a clamp above adjustable brass column and folding tripod case, clamped to the nosepiece is a triangular section bar supporting the stage and plano-concave reflector, in fitted mahogany case with four mirror objectives, three liberkuhns, spring stage, stage forceps, bell's eye lens and tweezers, the case, 10 by 8 by 3in (25.5 by 20 by 7.5cm)