Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Portable bottle of hand sanitizer gel
2000-2002
'Bosun' liquid compass
1950-1967
Atomik Apple Spirit made from Chernobyl apples
2021
Watkin type clinometer, British, 1897-1900
1897-1900
Combined Abney Level and Clinometer, 1875-1885
1875-1885
Miller-Casella thermometer for taking temperatures at depth at sea
1869-1872
Transit theodolite, British, 1816-1850
1816-1850
Field clinometer, British, 1916
1916
Level No. II by Carl Zeiss Jena
1928
Surveyor's transit theodolite.
1876
Dumpy Level
1880-1900
Tacheometer, DK-RV model, Swiss, 1965-1969
1965-1969
Combined Abney Level and Clinometer, 1882-1887
1882-1887
Submarine projector liquid compass
1917-1924
DKMI model theodolite, Swiss, 1960-1965
1960-1965
Field clinometer, British, 1915
1915
Geodetic theodolite, German, 1820-1850
1820-1850
Abney level & clinometer, English, 1851-1856
1851-1856
Dent's patent liquid compass with air chamber around rim
1860-1870
Minimum Alcohol Thermometer by Pastorelli & Co., 1875
1875
Side-telescope transit theodolite, British, 1890-1900
1890-1900
Herschel type actinometer, 1849-1851
1849-1851
Abney level & clinometer, English, 1875-1885
1875-1885
Clinometer, German, 1850-1900
1850-1900
Clitograph level, French, 1862-1900
1862-1900
Transit theodolite, German, 1901-1930
1901-1930
Six's Self-Registering Maximum and Minimum Mercury Thermometer by Pastorelli & Co., 1875
1875
Lefebvre type clitograph, French, 1862
1862
Mercury earth thermometer, by G H Zeal Ltd, 1985
1985
Telescopic alidade, Italian, 1690-1710
1690-1710
Alcohol thermometer
1985-1995
Portable transit theodolite, British, with case and accessories
1823-1841
Shuttle Thermometer
circa 1900
Hotbed soil thermometer, 1870-1875
1870-1875
Six's thermometer
1876
Altazimuth theodolite, British, 1816-1850
1816-1850
Minimum centigrade thermometer
1961
Polymeter plane table alidade, 1873-1876
1873-1876
Six maximum and minimum thermometer by J. Newman
1834-1857
Double-telescope surveying level fitted with two bubble levels (horizontal & striding)
1745-1755
Clinometer rule, British Antarctic Expedition, 1901
1816-1850
Met Office Mk B type balloon theodolite, 1919
1919
Prismatic compass with bubble tube and small telescope, 1840-1863
1832-1840
Maximum & minimum fahrenheit thermometer, 1818-1825
1818-1825
Photometer, marked: ‘39 G’
Gentilli type tacheometer, Austrian.
1868-1876
F. Casartel, alcohol thermometer, 1720-1750
1720-1750
Compensation level, German, 1874
1874
Alcohol thermometer in hanging metal frame for outdoor use; Fahrenheit scale
1800-1899