Prototype beam splitter for the Advanced Laser Interferometer Gravitational Wave Observatory (aLIGO)
2008 (prototype)
Clockwork drive, for refracting telescope of 5.9-inch aperture
1829
Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight
1829
Portion of watch including verge escapement
1900-1912
Small movement with detached lever escapement by Vauchez
1767-1786
French verge movement by Breguet
1775-1800
Movement with lever escapement
1820
Centre-seconds stop-watch by Jno. Archer
1737-1738
Water volume measuring vessel
Set of (3) wheels used in motion work of a watch
1900-1912
Geneva independent centre seconds movement
1801-1900
Movement with rack-lever escapement
1805-1846
Chronometer watch movement
Target wheel used in Accelerator Mass Spectrometer at the Radiocarbon Accelerator Unit, Oxford, 1991.
1991
Graphic eyepiece
1845
15-day movement with horizonatal escapement
1831
Inner tube of Barr and Stroud 2-metre base rangefinder
1920
Coincidence adjustment of rangefinder
Inner tube of Marindin 90cm base rangefinder
Tapes measuring - repair outfit No.2
1955
Centre separating prism for Barr and Stroud rangefinder
1920
Rangefinder centre prism, strip field type
One linear interferometer assembly Ident.10703A
1973
One remote interferometer assembly
1973
Temperature tube for Symons pattern soil thermometer
1997
Radio transmitting set for radiosonde
1973
Bag containing two radiosonde parachutes
1980-1990
Sunshine recorder card for August 2nd, 1877
Dial for Anemometer 'Meter No.3'
1940-1960
Sunshine recorder bowls, 1891
1891
Clockwork motor and shutter assembly from Dobson Spectrophotometer
Trifilar eyepiece micrometer in brass
1775-1800
Objective lens in brass cell of 3 3/4-inch diameter and 50-inch focal length
1850-1900
Ten test bars for use with polar planimeters
1955-1970
Hygrometer element for variable-frequency radiosonde
1944
Fragment of stem of unidentified instrument
199-500
Part of Ground station for German radiosonde
Six-part round section [screwed] 60-inch excise gauging rod by Joseph Long
1821-1846
Four-part square section [screwed] 48-inch excise gauging rule by Joseph Long
1821-1846
Nameplate for bench mark, British, 1914
1914
Accessories case for microdensitometer, 1978
1978
Stop watch mechanism
1775-1785
Sunshine recorder spherical lens, 1923
1923
Distance Meter for Plane Table, 1765-1775
1765-1775
Sonic electronic anemometer, British, 1988
1988
Cable for Standard Solent Anemometer, 1990-1992
1990-1992
Swiss movement (incomplete and broken) with chronometer escapement
Clockwork mechanism for Shaw type seismograph, British, 1930-1935
1930-1935
Campbell sunshine records for 1877
1877
Corner cube for geodimeter range-finder, Swedish, 1977
1977