45 degree prismatic astrolabe by Cooke, Troughton & Simms Ltd. of London & York. No.19921. Boxed, HO 2, with stool 45 degree prismatic astrolabe by Cooke 1941-1950
Prismatic astrolabe by Cooke, Troughton & Simms Ltd, York & London, England, 1928-1932 Prismatic astrolabe, British, 1928-1932 1928-1932
Prismatic astrolabe, including sighting telescope, base, main stand and accessories, including prisms, designed by Claude and Driencourt, made by Jobin, c. 1900. Objects in fitted wooden cases. Prismatic astrolabe, French, 1895-1905 1895-1905