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
Chronometer watch movement
French verge movement by Breguet
1775-1800
15-day movement with horizonatal escapement
1831
Small movement with detached lever escapement by Vauchez
1767-1786
Water volume measuring vessel
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
Trifilar eyepiece micrometer in brass
1775-1800
One remote interferometer assembly
1973
One linear interferometer assembly Ident.10703A
1973
Graphic eyepiece
1845
Fragment of stem of unidentified instrument
199-500
Radio transmitting set for radiosonde
1973
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
Tapes measuring - repair outfit No.2
1955
Corner cube for geodimeter range-finder, Swedish, 1977
1977
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
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
Ten test bars for use with polar planimeters
1955-1970
Two lens doublets in drawtube inside another tube
1801-1900
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
Swiss movement (incomplete and broken) with chronometer escapement
Objective lens in brass cell of 3 3/4-inch diameter and 50-inch focal length
1850-1900
Movement with lever escapement
1820
Rack lever with compensating curb
1808-1825
Centre-seconds stop-watch by Jno. Archer
1737-1738
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