Circumferentor by G. Adams of London, used in 1763 on the survey of the Mason-Dixon line, 1725-1763 Circumferentor, 1750-1763. 1750-1763
Brunton pocket transit compass by E.R. Watts, London, England, 1918-1922. Comprising case, compass and stand. (see stroke (and part) records) Brunton pocket transit compass with case, British, 1918-1922 1918-1922
Miner's surveying compass (mining dial) by Henry Barrow & Co.., 2 Oxenden St., London, England, 1845-1855 Miner's surveying compass, 1845-1855 1845-1855
Brunton pocket transit compass with case by E.R. Watts, c.1930 Brunton pocket transit compass with case, 1925-1930 1925-1930