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Uranographic planisphere for planets Mercury to Ur
Uranographic planisphere for planets Mercury to Uranus ("Herschel"), invented by Quetin, engraved by Hocquart the Younger and sold by Audin, 25 Quai des Augustins, Paris, missing all planetary buttons save Mercury
Apparatus for showing distortion in the photoheliograph
Apparatus for showing the distortion in the photoheliograph, in box no.141
Clock drive from Canon Cross's equatorial Newtonian telescope
Clock drive from Canon Cross's equatorial Newtonian telescope.
Wooden model by W.R. Birt showing orbit of Donati'
Wooden model by W.R. Birt showing orbit of Donati's 1858 Comet (RAS No.505). Presented to the Royal Astronomical Society around 1881 by W.R.Birt.
Glass disc for telescope mirror, 12" diameter and
Glass disc for telescope mirror, 12" diameter and 2 1/4" thick. Built up from two 3/8" plate glass circles separated by granulated glass in an experiment conducted by Sir Charles A. Parsons
Case for silver mirror
Case for Silver-on-glass mirror of 9-inch aperture by G.H.With, plus driving clock from Canon Cross's equatorial Newtonian telescope (RAS No.141). Presented to the Royal Astronomical Society in 1900 by Mrs Cross.
Artificial mercury horizon.
Artificial mercury horizon, unsigned, English maker, 1835-1845. Consists of a rectangular wooden trough, with loose fitting roof-shaped folding wooden cover with side glazed panels.
Glass replica reflection grating (55mm square) in
Glass replica reflection grating (55mm square) in aluminium mount for use with optical bench, labelled, '2', but unsigned, 1960-1970.
Circular mirror, 80-mm diameter
One of 15 aluminium coated glass or quartz circular mirrors, 80-mm diameter, low expansion glass mirror of around 2 metre focal length, labelled, 'M2', 1960-1970.
25-mm diameter, low expansion glass mirror
One of 15 aluminium coated circular glass planar mirrors, 25-mm diameter, low expansion glass mirror in aluminium block mount with plastic cover, labelled, 'F6', 1960-1970.
Hand held solar viewer with dark glass filter
Hand held solar viewer with dark glass filter and lignum vitae wood mount and turned handle, probably English, mid to late 18th century. Scratched inscriptions for, '1854' and '28 May 1900' suggests it has been used to view solar eclipses on these dates.
Circular mirror, 10-inch diameter
One of 15 aluminium coated quartz circular mirrors, 10-inch diameter and roughly 14 metre focal length in wooden case, 1960-1970.
Circular quartz planar mirror (5-inch), aluminium
Circular quartz planar mirror (5-inch), aluminium coated with wooden case, unsigned, 1960-1970.
European astrolabe by Arsenius, 1566
Electrotype copy of a planispheric astrolabe by Gualterus (Walter) Arsenius, dated 1566, at the Museo Arqueologico Nacional in Madrid. The original formerly belonged to Philip II of Spain [see IC 3015]. Made by Elkington and Company after the original was displayed at the Special Loan Collection of Scientific Apparatus in the South Kensington Museum in 1876.
Optical parts of Lassell's telescope: plane specul
Optical parts of Lassell's telescope: plane speculum on arm for 9-in; speculum for Newtonian finder in tin case 4 eyepices
Driving clock by Cooke for telescope in fitted box
Driving clock by Cooke for telescope in fitted box (RAS No.524, Allen No.18b). Presented to the Royal Astronomical Society in 1945 by Miss G.R. Allen.
Orrery planetary model with gearwork
Orrery - clockwork on wooden base, unsigned
'Night Star' flexible star map [UK Pat No.1432436,
'Night Star' flexible star map [UK Pat No.1432436, US Pat No.3863364], c. 1985
Gregorian reflecting telescope
Gregorian reflecting telescope of 6 inch aperture and 30 inch focal length by Thomas Morton, Kilmarnock, on an altazimuth mounting with a table top stand.
Portable transit instrument
Portable transit instrument of 2-inch aperture by Pallant, London.
Portable transit instrument with striding level and accessories
Portable transit instrument of 2¼-inch aperture by Thomas Jones, London, with striding level, lamp and glass screen. Accessories include 7 glass levels, 1 magnifier, 2 eyepieces, 2 dark slides and a micrometer slide.
Brass framed sextant with stand.
Pillar sextant, 12-inch radius by J. and E. Troughton, London with brass tripod stand.
Filar micrometer, from John Smeaton's refracting telescope
Filar micrometer, part of refracting telescope by John Smeaton on equatorial mounting with stand [RAS No.7] . Presented to Royal Astronomical Society in 1845 by Mrs Sommerville to whom it was left by Mrs Dixon, Smeaton's daughter.
Photoheliograph of the Sun
One of six negative photographs taken with the Kew Photoheliograph, showing the sun on December 10, 1861 at 10h 55m.
Cometarium, by W and S Jones, London, a model designed to show the change in motion of a comet as it moves closer and then further away from the Sun according to Newton's theory of gravity.
Cassegrain reflecting Telescope of 2 1/2-inch aper
Cassegrain reflecting Telescope of 2 1/2-inch aperture, by James Short, London [224/908 = 9.6] on claw foot pillar stand with divided object-lens micrometer in wooden case.
Terrestrial globe by Newton and Son
Terrestrial globe by Newton and Son, 66 Chancery Lane, 1867, mechanised on wooden base, for teaching purposes, defective.
Improved pocket celestial globe by Newton, in fish
Improved pocket celestial globe by Newton, in fishskin case.
Divided object-glass micrometer by George Dollond,
Divided object-glass micrometer by George Dollond, London, part of refracting telescope (1987-722) by Simms (RAS No.30, Sheepshanks No.4) Presented to the Royal Astronomical Society in 1857 by Miss Ann Sheepshanks sister of the Rev. Sheepshanks. Later in 1957 given to the British Astronomical Association.
New improved pocket terrestial globe by J. & W. Ne
New improved pocket terrestial globe by J. & W. Newton, in fish-skin case, c.1817.
Small mahogany box containing small lenses and col
Small mahogany box containing small lenses and coloured filters (trade card inside lid)
Gregorian reflecting telescope of 2 1/2 inch aperture
Gregorian reflecting telescope of 2 1/2 inch aperture and 8 inch focal length by R.B. Bate, London, on an altazimuth stand with a folding claw foot tripod.
Key to operate miniature orrery
detachable key to operate Miniature orrery arranged for use as a lantern slide contained in fitted wooden box lined with baize, obverse engraved with following inscription: "invented and made by James Simons, Portman Place, Edgware Road", c.1790
Gregorian reflecting telescope of 1 1/4 inch aperture
Gregorian reflecting telescope of 1 1/4 inch aperture by Watkins, London, on an altazimuth mounting with a lockable sharksin case forming a box foot stand.
Model of Cross-staff made from drawings and instru
Model of Cross-staff made from drawings and instructions of Capt. Mayes, R.N. (one staff and three transversaries)
Portable naked eye sighting instrument
Portable naked eye sighting instrument by George Adams, London, on an adjustable equatorial stand with 2 spirit levels, 3 levelling screws.
Cambridge Observatory eight-foot mural circle
Large 8-foot mural Circle, by Troughton & Simms, London, 1832, one of the original meridian instruments commissioned for the newly established University Observatory, Cambridge, England.
Orrery planetary model by Newton & Son, 1851-1857
Pulley operated orrery showing the Sun, Earth & Moon with printed scales on wooden base by Newton and Son, London
Gregorian 3-inch aperture reflecting telescope
Gregorian reflecting telescope of 3-inch aperture by James Short, London [138/878 = 12] (138th of 12 inch type out of 878 made) plus 1 spare eyepiece, no stand. [replica mahogany (wood) stand was made in workshops] (see note).
Case, for Cassegrain 3 inch aperture and 10 inch focal length reflecting telescope
Case for Cassegrain reflecting telescope of 3 inch aperture and 10 inch focal length by Watson, on an altazimuth stand with a folding claw foot tripod. Acessories include, a finder telescope, 2 eyepieces and a tin box for the speculum mirror.
Philips' Patent Orrery
Philips' Patent Orrery, 10-inch models, by George Philip & Son, London, c.1910. Printed paper on card with mock leather horizon aperture and brass pointers, made in Germany.
Gregorian reflecting telescope
Gregorian reflecting telescope of 2 1/2 inch aperture and 18 inch focal length by Benjamin Martin, London, on an altazimuth stand with a folding claw foot tripod.
Armillary sphere, 1801-1850
Armillary sphere with Newton's improved terrestrial globe on claw-foot stand by W. & T. Gilbert, London, early 19th century.
Wollaston's planisphere, diameter 13 5/8", printed
Wollaston's planisphere, diameter 13 5/8", printed on card by John Cary, 1812
Smith's new moveable planisphere, 17 1/2" square
Smith's new moveable planisphere, 17 1/2" square
Eleven astronomical eyepieces and one terrestrial eyepiece
Eleven astronomical eyepieces (including three solar filters) and one terrestrial eyepiece, one signed John Browning, London.
DRIFT I dark matter detector
DRIFT-1 (Directional Recoil Identification From Tracks ) dark matter detector, designed and constructed by the Dept. of Physics & Astronomy, University of Sheffield, 1999-2000. Used at the underground laboratory in Boulby Potash Mine near Middlesbrough, 2000-2004.
Charge-coupled device chip by Fairchild (non-funct
Charge-coupled device chip by Fairchild (non-functional)
1999 eclipse viewer
Eclipse (solar) viewer, a filter in the form of a pair of spectacles with aluminized mylar film in a cardboard mount. Supplied by Eclipse 99 Limited, Belle Etoile, Rue du Hamel Castel, Gurnsey with the book, 'The RGO Guide to the 1999 Total Eclipse of the Sun' by Steve Bell [ISBN 0 905 087 03 8].