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
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
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
