including a brass lacquered microscope engraved 'R & J Beck Ltd, London 30740' with 2 objectives and single eyepiece, a black and brass lacquered microscope engraved 'C. Baker 11244' with objective and eyepiece, a black and nickel plated microscope engraved 'Hearson, London no.961' with objectives and eyepiece, a black and brass microcope engraved Bausch & Lomb Rochester New York, with objective and eyepiece (x4)