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
Wood piece from bottom of the regulator clock by Cope and Molyneux
1822-1823
Wood piece from Regulator clock by Cope and Molyneux
1822-1823
Movement plates from Regulator clock by Cope and Molyneux
1822-1823
Eye piece lens and segment of draw tube from a draw tube telescope
Part of a refracting telescope
Segment from a draw tube telescope
1700-1750
Brass drive weight from Regulator clock by Cope and Molyneux
1822-1823
Target wheel used in Accelerator Mass Spectrometer at the Radiocarbon Accelerator Unit, Oxford, 1991.
1991
Inner tube of Marindin 90cm base rangefinder
Part of levelling staff, British, 1915-1922
1915-1922
Sunshine recorder spherical lens, 1923
1923
Trifilar eyepiece micrometer in brass
1775-1800
Lind type anemometer, 1870-1876
1870-1876
Hygrometer element for variable-frequency radiosonde
1944
Coincidence adjustment of rangefinder
Ten test bars for use with polar planimeters
1955-1970
Two lens doublets in drawtube inside another tube
1801-1900
Bag containing two radiosonde parachutes
1980-1990
Four-part square section [screwed] 48-inch excise gauging rule by Joseph Long
1821-1846
Six-part round section [screwed] 60-inch excise gauging rod by Joseph Long
1821-1846
Accessories case for microdensitometer, 1978
1978
Glass discharge tube, for Aston's original mass spectrograph
1919
Keyboard for Ferranti Freescan digitiser
1969
Distance Meter for Plane Table, 1765-1775
1765-1775
Cable for Standard Solent Anemometer, 1990-1992
1990-1992
Sonic electronic anemometer, British, 1988
1988
Complete set of smoked plattes
One linear interferometer assembly Ident.10703A
1973
One remote interferometer assembly
1973
Swiss movement (incomplete and broken) with chronometer escapement
Tapes measuring - repair outfit No.2
1955
Campbell sunshine records for 1877
1877
Objective lens in brass cell of 3 3/4-inch diameter and 50-inch focal length
1850-1900
Inner tube of Barr and Stroud 2-metre base rangefinder
1920
Anemometer, Robinson type
Nameplate for bench mark, British, 1914
1914
Temperature tube for Symons pattern soil thermometer
1997
Lenses for Micromap viewer, 1995-1998
1995-1998
Graphic eyepiece
1845
Fragment of stem of unidentified instrument
199-500
Part of Ground station for German radiosonde
Dial for Anemometer 'Meter No.3'
1940-1960
Corner cube for geodimeter range-finder, Swedish, 1977
1977
Radio transmitting set for radiosonde
1973
Sunshine recorder card for August 2nd, 1877
Small French verge movement
1790
Movement with lever escapement
1820