Prototype beam splitter for the Advanced Laser Interferometer Gravitational Wave Observatory (aLIGO)
2008 (prototype)
Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight
1829
Clockwork drive, for refracting telescope of 5.9-inch aperture
1829
Gravity Probe B gyroscope rotor and housing
1992-1995
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
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
Two lens doublets in drawtube inside another tube
1801-1900
One remote interferometer assembly
1973
One linear interferometer assembly Ident.10703A
1973
Swiss movement (incomplete and broken) with chronometer escapement
Graphic eyepiece
1845
Fragment of stem of unidentified instrument
199-500
Movement with lever escapement
1820
Chronometer watch movement
French verge movement by Breguet
1775-1800
Centre-seconds stop-watch by Jno. Archer
1737-1738
Small movement with detached lever escapement by Vauchez
1767-1786
15-day movement with horizonatal escapement
1831
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
Movement with rack-lever escapement
1805-1846
Stop watch mechanism
1775-1785
Chronometer escapement
1810
Stop watch movement
hallmarked 1784
Chronometer escapement
1790
Water volume measuring vessel
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
Coincidence adjustment of rangefinder
Rangefinder centre prism, strip field type
Lind type anemometer, 1870-1876
1870-1876
Radio transmitting set for radiosonde
1973
Sunshine recorder bowls, 1891
1891
Lenses for Micromap viewer, 1995-1998
1995-1998
Clockwork motor and shutter assembly from Dobson Spectrophotometer
Bag containing two radiosonde parachutes
1980-1990
Distance Meter for Plane Table, 1765-1775
1765-1775
Temperature tube for Symons pattern soil thermometer
1997
Parts from the Cambridge Interplanetary Scintillation Array
1967
