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Twin reflecting and refracting telescopes on observatory mounting, 1885

Twin reflecting and refracting telescopes on observatory mounting, 1885

1885
Weight driven clockwork Cooke governor

Weight driven clockwork Cooke governor

1868-1880
Driving clock by Cooke for telescope in fitted box

Driving clock by Cooke for telescope in fitted box

1868-1880
Betts' portable terrestrial globe

Betts' portable terrestrial globe

1860-1870
Surveyor's plane table outfit, 1881-1890

Surveyor's plane table outfit, 1881-1890

1881-1890
Lathe, treadle operated

Lathe, treadle operated

circa 1890
Betts' portable terrestrial globe

Betts' portable terrestrial globe

1860-1870
Part of Everest pattern altazimuth theodolite, 1885-1895

Part of Everest pattern altazimuth theodolite, 1885-1895

1885-1895
Case for Solar spectroscope with stand by T. Cooke and Sons

Case for Solar spectroscope with stand by T. Cooke and Sons

1881
Case for Everest type altazimuth theodolite, British, 1885-1895

Case for Everest type altazimuth theodolite, British, 1885-1895

1885-1895
Components of Peek telescope equatorial mounting

Components of Peek telescope equatorial mounting

1871
Structural part for refracting telescope

Structural part for refracting telescope

1867-1871
Tapering pillar base for equatorial mounting of Peek telescope

Tapering pillar base for equatorial mounting of Peek telescope

1871
Box of small components for refracting telescope

Box of small components for refracting telescope

1867-1871
fitted box for driving clock,

fitted box for driving clock,

1868-1880
Solar spectroscope with stand by T. Cooke and Sons

Solar spectroscope with stand by T. Cooke and Sons

1881
Case for refracting telescope

Case for refracting telescope

1880-1890
Case for refracting telescope of 3 3/4 inch aperture and 52 inch focal length by Cooke

Case for refracting telescope of 3 3/4 inch aperture and 52 inch focal length by Cooke

1885
Upper section of tapering pillar with polar axis of equatorial mounting

Upper section of tapering pillar with polar axis of equatorial mounting

1871
Metal plate component for refracting telescope

Metal plate component for refracting telescope

1867-1871
Driving clock and components from Peek equatorial mounting

Driving clock and components from Peek equatorial mounting

1871
Metal support with graduated ring for the refracting telescope.

Metal support with graduated ring for the refracting telescope.

1867-1871
Silvered glass telescope mirror of diameter 9 1/2 in

Silvered glass telescope mirror of diameter 9 1/2 in

1880-1900
Astronomical refracting telescope of 3 3/4 inch aperture and 58 inch focal length by T. Cooke and Sons, York, on an altazimuth mounting with mahogany stand.

Astronomical refracting telescope of 3 3/4 inch aperture and 58 inch focal length by T. Cooke and Sons

1885
12 inch Everest pattern geodetic theodolite by T. Cooke and Sons, 1884. With part.

12 inch Everest pattern geodetic theodolite by T. Cooke and Sons

1884
Circular instrument dividing engine designed by Frederick Cooke, at T. Cooke & Sons, London, England around 1890. The cast brass, 28-inch dividing plate, with nine spokes is supported on a heavy wooden tripod stand. The instrument is mechanically similar in design to the large dividing engine completed by Thomas Cooke, the company’s founder in 1865.

Circular instrument dividing engine.

1890-1895
Spectroscope for "Twin Equatorial" Telescope, 1885. Made by Sir Howard Grubb, consisting of a 20in. Reflecting Telescope and a 7in. Refracting Telescope (by Cooke) mounted together on one equatorial stand. With Grubb electric control gear

Spectroscope for "Twin Equatorial" Telescope

1885
Photographs (2) of a siderostat constructed by Messrs Cooke and Sons of York, for the Royal Society

Photographs (2) of a siderostat constructed by Messrs Cooke and Sons of York

Two Betts portable terrestrial globes by John Betts, Strand, London

Two Betts portable terrestrial globes by John Betts

1868-1870
Refracting telescope of 6 4/16-inch aperture and 74 inch focal length with mahogany veneer wooden tube by G & S Merz, Munich, 1867-1871. Mounted on German equatorial stand with iron pier and clock drive by Thomas Cooke & Sons, York, dated 1871. Acquired in the 1860s by W. G. Lettsom and sold to Sir Cuthbert E Peek in 1882 who employed Charles Grover to make observation at Rousdon Hall, Devon until 1921. Given to the University of Durham in 1925 before returning to Rousden Hall in 1970, now established as All Hallows school.

Refracting telescope of 6 4/16-inch aperture and 74 inch focal length with stand and clock drive

1867-1871
Driving clock by Cooke for telescope (RAS No.524, Allen No.18b). Presented to the Royal Astronomical Society in 1945 by Miss G.R. Allen.

Driving clock by Cooke for telescope in fitted box

1868-1880
Case for Solar spectroscope with stand by T. Cooke and Sons, York, England, 1881.

Case for Solar spectroscope with stand by T. Cooke and Sons

1881
Astronomical refracting telescope with 3 3/4 inch aperture and 52 inch focal length with finder by Cooke on an altazimuth mount with mahogany stand.

Astronomical refracting telescope, 3 3/4 inch aperture, 52 inch focal length

1880-1890
Photograph : "Antarctic" altazimuth theodolite by T. Cooke and Sons, as used on Antarctic Expedition 1910

Photograph : "Antarctic" altazimuth theodolite by T. Cooke and Sons

1910
One of two photographs of a siderostat constructed by Messrs Cooke and Sons of York, for the Royal Society

One of two photographs of a siderostat constructed by Messrs Cooke and Sons of York

One of two photographs of a siderostat constructed by Messrs Cooke and Sons of York, for the Royal Society

One of two photographs of a siderostat constructed by Messrs Cooke and Sons of York

Astronomical refracting telescope with 3 3/4 inch aperture and 52 inch focal length with finder by Cooke on an altazimuth mount with mahogany stand and case. Accessories include 2 eyepieces, 2 solar filters and a solar wedge (Herschel). A circulation instrument from the Science and Arts Department for use by teachers.

Astronomical refracting telescope with 3 3/4 inch aperture and 52 inch focal length, and case

1880-1890
Everest pattern altazimuth theodolite, 5-inch, with case by T. Cooke & Sons, York, England, 1885-1895.

Everest pattern altazimuth theodolite, with case,1885-1895

1885-1895
Astronomical refracting telescope of 3 3/4 inch aperture and 58 inch focal length by T. Cooke and Sons, York, on an altazimuth mounting with mahogany stand and wooden case for the telescope tube. Accessories include 2 eyepieces, 2 solar filters, solar wedge wedge (Herschel). A circulation instrument from the Science & Arts Department for use by teachers and dated January 1885.

Astronomical refracting telescope of 3 3/4 inch aperture, with mounting, stand, accessories and case

1885
Solar spectroscope with stand and two mahogany boxes by T. Cooke and Sons, York, England, 1881. Used at the Solar Physics Observatory, South Kensington between 1881 and 1912. The set of prisms give a high dispersion equal to 20 prisms, by passing the light through the prisms train four times.

Solar spectroscope by T. Cooke & Sons, 1881

1881