Azimuth variation compass, British, 1722-1747
1722-1747
Azimuth compass in gimbals
Pocket altazimuth compass-clinometer, British, 1871-1893
1871-1893
Azimuth Sighting Compass, British, 1818-1850
1818-1850
Azimuth compass, French, 1900-1925
1900-1925
Azimuth compass, British., 1760-1780
1760-1780
Azimuth compass, British, 1811-1830
1811-1830
Azimuth compass
1840-1860
Dent's azimuth compass
Azimuth compass, French, 1750-1850
1750-1850
Azimuth compass, British, 1771-1800
1771-1800
Variation compass, for observations of the Aurora, 19th century
1801-1900
Compass and Sundial combined
1731-1776
Azimuth compass by Benjamin Cole (jnr.)
1766-1782
Admiralty standard prismatic azimuth compass with lead weight in base
1850-1860