Binocular microscope with base and prism housing by C.D. Ahrens and Stephenson body tube by John Browning 1851-1900
Fan to shield the microscopist's eyes from the light, in case, English, early 19th century Fan to shield the microscopist's eyes from the light 1795-1820
Large compound monocular microscope, probably English, 1850-1870 Large compound monocular microscope 1850-1870
Triple bodied microscope attributed to C.D. Ahrens, English, 1860-1880 Triple bodied microscope attributed to C.D. Ahrens 1860-1880