b'6032431519th century brass microscope, 26cm at highest setting.$120200 31619th-century brass and steel microscope with orange and green painted base, 17cm at highest setting, in timber box.$100200 317Steel and brass microscope, 33cm at highest setting, in timber box with various additional elements and prepared slides, 19th century.$200300 318Drum-style brass microscope, 17.5cm at highest setting, in wooden box with tweezers.$100200 319Drum-style brass microscope, 17.5cm at highest setting, in wooden box with tweezers.$100200 327 320Drum-style 19th century brass microscope, 18cm at highest setting.$80120 328'