An 18th-Century brass "Improved" microscope, signed on the folding tripod stand Bayley & Son N 212 SHOREDITCH, with rack and pinion focusing, the body tube located on an arm from the square section pillar with rack and pinion adjustment to the stage, magnifying lens and swivel mirror, with 5 (of 6) objectives, in mahogany case - 12¼in. (31.1cm.) wide.