Case for Everest type altazimuth theodolite, British, 1885-1895 (instrument component; instrument case)
Silvered glass telescope mirror of diameter 9 1/2 in (components; concave mirrors; glass mirrors; astronomical instruments)
Astronomical refracting telescope of 3 3/4 inch aperture and 58 inch focal length by T. Cooke and Sons (instrument component; telescope - refracting)
Twin reflecting and refracting telescopes on observatory mounting, 1885 (telescope - Cassegrain; telescope - refracting; telescope - reflecting)