Aquatic microscope with large glass tank plate in case (no key), probably by Smith, or Ross, with accessories Aquatic microscope with large glass tank plate in case
Monocular microscope with binocular tube also, serial no. 1721, by Andrew Ross, London, and Sands and Hunter, 20 Cranbourn Street, London, WC, England, 1850-1875. Monocular microscope with binocular tube also 1850-1875
Calotype camera with lens and metal focussing cover, (mahogany), c 1839-1842. Camera owned and used by William Henry Fox Talbot; made by Andrew Ross. During 1838 and 1840 Talbot purchased a number of cameras to make photogenic drawings from the London instrument maker, Andrew Ross. Equipped with simple lens there is also an inspection hole in the lens panel above the lens that was use to check that the image was centrally located on the sensitive paper and correctly focused. Calotype camera used by William Henry Fox Talbot, c 1841 1839-1842
Binocular microscope in wooden case with accessories, by Ross, London, serial no. 4966, mid 19th century, owned by Dallinger, later the first microscope purchased for the Zoology Dept. of the British Museum (Natural History) Binocular microscope, in wooden case with accessories 1840-1859
Binocular microscope in glazed case, by Henry Crouch, serial no. 1150, English, 1850-1870 Binocular microscope in glazed case 1850-1870
Weather station comprising mercury barometer with sliding comparison tables, printed table, hygrometer and reservoir indicator, Andrew Ross, 2, and 21 Featherstone Buildings High Holborn, London, England, 1843-1859 Weather station comprising mercury barometer and hygrometer, 1843-1859 1843-1859
Drawing camera lucida of Wollaston-Ross pattern, signed by Dollond, English, mid 19th century Drawing camera lucida of Wollaston-Ross pattern 1831-1870