Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Portable bottle of hand sanitizer gel
2000-2002
DKMI model theodolite, Swiss, 1960-1965
1960-1965
Clinometer, German, 1850-1900
1850-1900
Transit theodolite, British, 1816-1850
1816-1850
Gentilli type tacheometer, Austrian.
1868-1876
Prismatic compass with bubble tube and small telescope, 1840-1863
1832-1840
clinometer, British, 1850-1859
1850-1859
Clitograph level, French, 1862-1900
1862-1900
Surveyor's transit theodolite.
1876
Altazimuth theodolite, British, 1816-1850
1816-1850
Dumpy Level
1880-1900
Transit theodolite, German, 1901-1930
1901-1930
Spirit minimum thermometer, 1985
1985
Level No. II by Carl Zeiss Jena
1928
Thermometer screen, with a minimum alcohol thermometer
1875
Herschel type actinometer, 1849-1851
1849-1851
Brown type clinometer, British, 1890-1910
1890-1910
Lefebvre type clitograph, French, 1862
1862
Telescopic alidade, Italian, 1690-1710
1690-1710
Henderson type surveying Alidade, British, 1893
1893
Surveyor's chain with thermometer and spirit level, 1860-1890
1860-1890
Adjustable crosshead, French, 1801-1830
1801-1830
Side-telescope transit theodolite, British, 1890-1900
1890-1900
Clinometer rule, British Antarctic Expedition, 1901
1820-1850
Minimum centigrade thermometer
1961
Double-telescope surveying level fitted with two bubble levels (horizontal & striding)
1745-1755
Photometer, marked: ‘39 G’
Atomik Apple Spirit made from Chernobyl apples
2021
Dent's patent liquid compass with air chamber around rim
1860-1870
Alcohol thermometer in hanging metal frame for outdoor use; Fahrenheit scale
1800-1899
Alcohol thermometer with integral wooden case
1700-1799
Alcohol thermometer
1985-1995
Six maximum and minimum thermometer by J. Newman
1834-1857
Six's maximum and minimum thermometer
1780
Six's maximum and minimum thermometer
1780
Six's maximum and minimum thermometer
1780
Six's maximum and minimum thermometer
1780
Six's maximum and minimum thermometer
1780
Six's maximum and minimum thermometer
1780
Six's maximum and minimum thermometer
1780
Minimum Alcohol Thermometer by Pastorelli & Co., 1875
1875
Six's Self-Registering Maximum and Minimum Mercury Thermometer by Pastorelli & Co., 1875
1875
Portable Six's maximum and minimum self-registering thermometer
1875
Fluorescent Alcohol Thermometer by C. V. Boys, 1880-1885
1880-1885
Maximum Mercury and Minimum Alcohol Thermometer by J.J. Griffin & Sons, 1880
1880
Mercury Thermometer for Underground Temperatures, 1861-1881
1861-1881
Six's maximum and minimum thermometer
1780
Shuttle Thermometer
circa 1900
Submarine projector liquid compass
1917-1924