Surveyor's Level by Joseph Jackson
1735-60
'Sitesquare' optical square, British, 1959
1959
Rutherford maximum and minimum thermometer, 1794
1794
'Cole Pattern' sun compass with vertical gnomon on adjustable metal fixtures
1939-1945
Improved Patent Portable Theodolite
1818-1826
Circumferentor, British, 1792-1800
1792-1800
Standard maximum thermometer by Negretti and Zambra
1852
Six's thermometer, 1876.
1876
Six's thermometer, 1876.
1876
Clinometer with spirit level
Standard Rutherford minimum thermometer
1790 (designed)
Universal Equatorial Sundial.
'Standard Barometer' or storm glass
1900-1920
Rutherford minimum thermometer by L. Casella
Daniell hygrometer
1860-1880, 1812 (design)
Grass minimum thermometer by Calderara, 1928.
1928
Spirit thermometer by Pastorelli
1849
Strut thermometer by J. Hicks
1929
Gunner's quadrant with mahogany case
Minimum thermometer by Negretti and Zambra
Spirit thermometer by Newman
1850
Strut psychrometer
1944
Part of Johnson type plane table outfit, American 1914
1914
Brunton pocket transit compass, 1925-1930
1925-1930
Brunton pocket transit compass, British, 1918-1922
1918-1922
Apparatus to demonstrate the thermal expansion of liquids, mid 19th century.
1831-1870
Part of altazimuth theodolite, 1780-1826
1780-1826
Aeroplane thermometer, 1919.
1919
Gunner's quadrant
Maximum and minimum thermometer by C.F.Casella
1908-1913
Air barometer or "sympiesometer", 1858.
1858
Minimum thermometer with bifurcated bulb
1873
Transit theodolite, British, 1826-1850
1826-1850
Daniell hygrometer
1860-1880, 1812 (design)