Marine chronometer by John Arnold and Son, 1787-1799

Time Measurement

1787-1799

Prototype beam splitter for the Advanced Laser Interferometer Gravitational Wave Observatory (aLIGO)

Astronomy

2008 (prototype)

Celestial globe by George Adams

King George III

1766

Part of Two foot geodetic theodolite, British, 1826-1828

Surveying

1826-1828

Barograph clock by Alexander Cumming

Time Measurement

1766

Clock movement for Shelton regulator clock

Time Measurement

1768-1769

Azimuth mirror component

Navigation

1876-1879

Divided object-glass micrometer by George Dollond,

Astronomy

1821-1857

Gravity Probe B gyroscope rotor and housing

Space Technology

1992-1995

Eyepiece, 6-inch focal length, from Huygen's aerial telescope

Astronomy

1686-1691

Ramsden's astronomical equatorial instrument, with 2-1/4 inch aperture and 18-inch focal length

Astronomy

1770-1780

Bomb for Berthelot-Mahler Calorimeter

Heat

1900-1914

Water volume measuring vessel

Gas Industry

Electrical register for anemometer

Meteorology

1872

Bung rod and slide from excise set

Mathematics

1876

Campbell sunshine recorder bowl, 1891

Meteorology

1891

Chronometer movement in brass cage

Time Measurement

1900-1910

Portable naked eye sighting instrument

Astronomy

1780

Set of eyepieces, for 6-inch aperture refracting telescope, in mahogany box

Astronomy

1884

Divided object-lens micrometer

Astronomy

1754-1757

Spherical glass lens for sunshine recorder, 1857

Meteorology

1857

Positional filar micrometer by John Browning, Lond

Astronomy

1875-1900

Berthelot-Mahler calorimeter

Heat

1889

Crystal micrometer, one of three by George Dollond

Astronomy

1820-1830

Six-fold 60-inch folding excise gauging rule by Jo

Mathematics

1821-1846

Tube for Symons barometer

Meteorology

1874

Bathythermograph and sea sampler Mk1, 1948

Oceanography

1948

Complete set of smoked plattes, unused, for bathyt

Oceanography

Accessories for refracting telescope by Charles Tulley

Astronomy

1822

Anemometer parts for use with 30 ft mast, 1997.

Meteorology

1997

Anemometer, Robinson type

Meteorology

Pocket watch winding key

Wellcome (general)

1853

Four-part square section [screwed] 48-inch excis

Mathematics

1821-1846

Case, with accessories for Powell and Lealand No.1 microscope, 1874

Microscopes

1874

Filar micrometer, from John Smeaton's refracting telescope

Astronomy

1770

Chronometer

Time Measurement

Concave Thorp grating for diffraction

Optics

Fragment of stem of unidentified instrument

Classical & Medieval Medicine

199-500

Eyepiece cap and lens from telescope

King George III

1750-1850

Accessories for two-day chronometer by John Arnold and Son

Time Measurement

Case for 3-ft hand range-finder

Optics

1933-1939

Wooden box for Prof. William Thomson's fuel calorimeter

Heat

1886-1900

Brass filar micrometer for astronomical telescope,

Astronomy

1751-1773

Accessories for Ramsden astronomical equatorial instrument

Astronomy

1770-1780

Dynamameter eyepiece micrometer

Astronomy

1820-1830

Wood piece from Regulator clock by Cope and Molyneux

Collection Unassigned

1822-1823

Flat-bottomed glass flask, associated with M. Berthelot

Experimental Chemistry

Swiss Chronograph Mechanism, 1860-1880

Time Measurement

1860-1880

Parts for Technicon Auto Analyser colorimeters

Biochemistry

Sunshine recorder spherical lens, 1923

Meteorology

1923