Prismatic magnetic compass by John Dover, London & Charlton, England, 1851-1865 Prismatic compass, 1851-1865 Surveying 1851-1865
Prismatic marching magnetic compass, in leather case, unsigned, British, 1920-1940 Prismatic marching magnetic compass, British, 1920-1940 Surveying 1921-1940
Pocket, folding prismatic magnetic sighting compass by Elliott Brothers, Strand, London, 1853-1860. Plus case for compass. The compass is fitted with sun filters, mirror, paper dial and fitted lid, owned by Lieutenant E. J. Bori, Royal Engineers. Folding Prismatic Sighting Compass, 1853-1860 Surveying 1853-1860
Mark VI Prismatic marching compass by Cary, London, in leather case. Some verdigris. With invoice dated 1912, includes no.3 Mark VI Prismatic marching compass by Cary Surveying 1912
Electrically illuminated liquid prismatic compass by Kelvin, Bottomley and Baird, early 20th century Surveying compass, British, 1913-1920 Surveying 1913-1920
