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
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
Graphic eyepiece
1845
Fragment of stem of unidentified instrument
199-500
Swiss Chronograph Mechanism, 1860-1880
1860-1880
Water volume measuring vessel
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
Coincidence adjustment of rangefinder
Rangefinder centre prism, strip field type
Radio transmitting set for radiosonde
1973
Clockwork motor and shutter assembly from Dobson Spectrophotometer
Anemometer, Robinson type
Bag containing two radiosonde parachutes
1980-1990
Distance Meter for Plane Table, 1765-1775
1765-1775
Part of Ground station for German radiosonde
Trifilar eyepiece micrometer in brass
1775-1800
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
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
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
Geneva independent centre seconds movement
1801-1900
Movement with rack-lever escapement
1805-1846
Stop watch movement
1800-1834
Half-quater repeater with horizontal escapement
1750
Chronometer escapement
Verge repeater
1720
Parts from the Cambridge Interplanetary Scintillation Array
1967
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