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
Parts from the Cambridge Interplanetary Scintillation Array
1967
Tapes measuring - repair outfit No.2
1955
Corner cube for geodimeter range-finder, Swedish, 1977
1977
Part of levelling staff, British, 1915-1922
1915-1922
Centre separating prism for Barr and Stroud rangefinder
1920
Inner tube of Marindin 90cm base rangefinder
Inner tube of Barr and Stroud 2-metre base rangefinder
1920
Sunshine recorder card for August 2nd, 1877
Complete set of smoked plattes
Hygrometer element for variable-frequency radiosonde
1944
Coincidence adjustment of rangefinder
Rangefinder centre prism, strip field type
Dial for Anemometer 'Meter No.3'
1940-1960
Lind type anemometer, 1870-1876
1870-1876
Radio transmitting set for radiosonde
1973
Clockwork motor and shutter assembly from Dobson Spectrophotometer
Lenses for Micromap viewer, 1995-1998
1995-1998
Campbell sunshine records for 1877
1877
Anemometer, Robinson type
Bag containing two radiosonde parachutes
1980-1990
Part of Grid stereometer
1948
Distance Meter for Plane Table, 1765-1775
1765-1775
Sonic electronic anemometer, British, 1988
1988
Temperature tube for Symons pattern soil thermometer
1997
Accessories case for microdensitometer, 1978
1978
Cable for Standard Solent Anemometer, 1990-1992
1990-1992
Part of Ground station for German radiosonde
Glass discharge tube, for Aston's original mass spectrograph
1919
Graphic eyepiece
1845
Fragment of stem of unidentified instrument
199-500
Small French verge movement
1790
Movement with lever escapement
1820
Chronometer watch movement
French verge movement by Breguet
1775-1800
Modern Geneva lever with independent centre seconds
1801-1900
Rack lever with compensating curb
1808-1825
Centre-seconds stop-watch by Jno. Archer
1737-1738
15-day movement with horizonatal escapement
1831
Small movement with detached lever escapement by Vauchez
1767-1786
Set of (3) wheels used in motion work of a watch
1900-1912
Portion of watch including verge escapement
1900-1912
Pendulum watch with verge escapement and cock
1790
Swiss Chronograph Mechanism, 1860-1880
1860-1880
Geneva independent centre seconds movement
1801-1900
Movement with rack-lever escapement
1805-1846
Stop watch movement
1800-1834
Stop watch mechanism
1775-1785