Fourteen microscope eyepiece lenses of various designs, with metal and plastic casing, two by Zeiss, the rest unsigned. Part of a collection of optical instruments used by Horace Dall. Microscope eyepiece lenses, used by Horace Dall
Twenty-three microscope lenses, and 11 metal ring mounts for eyepiece lenses, unsigned. Part of a collection of optical instruments used by Horace Dall. Microscope lenses and ring mounts, used by Horace Dall
Apocromat 16mm brass case with screw cap, containing a copper and brass microscope objective lens with aperture 0.95, and written note dated 19/2/1982, Carl Zeiss, Jena, Germany; Plastic case, containing a copper and steel microscope objective lens with aperture 1.40, Carl Zeiss, Jena, Germany; Microscope objective lens inscribed ‘1 1”/2 NAO. 197’, C Baker, London, England; Copper and brass microscope objective lens with aperture 0.95, Carl Zeiss, Jena, Germany; Brass microscope lens case with screw cap, labelled ‘Zircon FRONT N.A. 1.92’, containing written note dated 21/1/1962, unsigned; Black metal case with silver screw cap, containing a brass microscope objective lens hand inscribed with ‘H Dall 1957’; Orange plastic case, containing a copper and brass microscope objective lens with aperture 0.95, Carl Zeiss, Jena, Germany; all part of a collection of optical instruments used by Horace Dall Seven microscope lenses and cases, used by Horace Dall
47 lenses and 2 metal rings, unsigned. Part of a collection of optical instruments used by Horace Dall. Microscope lenses, used by Horace Dall