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
Part of a refracting telescope
Eye piece lens and segment of draw tube from a draw tube telescope
Segment from a draw tube telescope
1700-1750
Target wheel used in Accelerator Mass Spectrometer at the Radiocarbon Accelerator Unit, Oxford, 1991.
1991
Trifilar eyepiece micrometer in brass
1775-1800
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
Chronometer watch movement
French verge movement by Breguet
1775-1800
Rack lever with compensating curb
1808-1825
15-day movement with horizonatal escapement
1831
Small movement with detached lever escapement by Vauchez
1767-1786
Movement with rack-lever escapement
1805-1846
Half-quater repeater with horizontal escapement
1750
Water volume measuring vessel
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
Ten test bars for use with polar planimeters
1955-1970
Objective lens in brass cell of 3 3/4-inch diameter and 50-inch focal length
1850-1900
Set of (3) wheels used in motion work of a watch
1900-1912
Portion of watch including verge escapement
1900-1912
Clockwork mechanism for Shaw type seismograph, British, 1930-1935
1930-1935
Clockwork mechanism for Shaw type seismograph, British, 1930-1935
1930-1935
Keyboard for Ferranti Freescan digitiser
1969
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
Dial for Anemometer 'Meter No.3'
1940-1960
Radio transmitting set for radiosonde
1973
Sunshine recorder bowls, 1891
1891
Clockwork motor and shutter assembly from Dobson Spectrophotometer
Lenses for Micromap viewer, 1995-1998
1995-1998
Bag containing two radiosonde parachutes
1980-1990