Rue, Warren De La, 1815 - 1889 (chemist and astronomer)
Person
Found in 91 Collections and/or Records:
File
Astronomical methods, 1851 - 1859
File
Reference Code: GBR/0180/RGO 6/169
Scope and Contents
Miscellaneous astronomical methods concerned primarily with the altazimuth and equatorial telescopes and the construction of piers for the transit circle, and mentioning mirrors, lenses and barrel and pendulum clocks. The correspondents include T. Barnaby, W.C. and G.P. Bond, I.K. Brunel, W. De La Rue, C.P. Smyth, C.A.F. Peters, J.T.R. Robinson, C. Wheatstone, J. Challis, E. Dunkin, M. Faraday, T. Grubb, W. Lassell, O.M. Mitchel, Lord Rosse and W. Simms. The volume includes a photograph of a...
Dates:
1851 - 1859
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Astronomical methods and instruments, 1859 - 1861
File
Reference Code: GBR/0180/RGO 6/170
Scope and Contents
Miscellaneous astronomical methods, new inventions and instruments sent in by various scientists and interested parties. The correspondents include E. Dunkin, J. Nasmyth, J. Booth, Lord Rosse, W. Lassell, J.F.W. Herschel, J.J. von Littrow, J.D. Forbes, G. Fisher, J.R. Hind and C. Pritchard. There are pieces on water clocks and barrel clocks, with drawings of their mechanism; N.R. Pogson's paper on an 'occular crystal micrometer'; C.R.D. Bethune's paper on 'reducing the apparent distance of...
Dates:
1859 - 1861
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Astronomical methods and instruments, 1862 - 1866
File
Reference Code: GBR/0180/RGO 6/171
Scope and Contents
Miscellaneous astronomical methods, new inventions and instruments sent in by various scientists and interested parties. The correspondents include W. De La Rue, E. Dunkin, H.A.E.A. Fayé, U.J.J. Le Verrier, W. Lassell, Lord Rosse and F.A.T. Winnecke. There are pieces on barrel and water clocks, an article on the Royal Observatory from 'The Engineer', improved diaphragms for determining star magnitudes, finding longitude and latitude at sea, observations of Sirius for navigation and...
Dates:
1862 - 1866
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
Sub-Series
Astronomical methods and instruments, 1866 - 1870
Sub-Series
Reference Code: GBR/0180/RGO 6/172
Scope and Contents
Letters and papers concerning new inventions; trials of improved instruments, especially the transit circle, Great Equatorial and altazimuth instruments; and improved techniques. The correspondents include B.A. Gould, C. Pritchard, E. Dunkin, E.J. Stone, L. Respighi, O. Struve, W.H.M. Christie, W. De La Rue, J.C. Maxwell, W. Huggins, S.J. Perry, A.V. Auwers, M.C. de Littrow, C.J.E. Wolf, A. Laussedat and J.R. Hind. There is a description and plans of the Great Equatorial Telescope;...
Dates:
1866 - 1870
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Astronomical methods and instruments, 1871 - 1873
File
Reference Code: GBR/0180/RGO 6/173
Scope and Contents
Letters and papers concerning new inventions; trials of existing and improved instruments, especially the transit circle, altazimuth and equatorial telescopes; improved techniques; and adjustments to various instruments. The correspondents include W.H.M. Christie, G.G. Stokes, J. Glaisher, Sir D. Gill, C.V. Walker, G.M. Whipple, W. De La Rue, W. Huggins, A.C. Ranyard, F.A.T. Winnecke, J.T.R. Robinson, A.V. Auwers, A. d'Abbadie, Y. Villarceau, J.R. Hind, W.B. Clarke and Sir W. Thomson. There...
Dates:
1871 - 1873
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Astronomical methods and instruments, 1874 - 1875
File
Reference Code: GBR/0180/RGO 6/174
Scope and Contents
Correspondence on new inventions and techniques, as well as trials of existing equipment, including the Greenwich spectroscope (with plans, drawings and suggestions), the transit circle, the altazimuth, the double edge micrometer and others. The correspondents include J.A. Broun, W. Huggins, W.H.M. Christie and W. De La Rue. There are also scales for old micrometers, a water pressure card, sketches for eyepieces and two photographs of a German heliometer.
Dates:
1874 - 1875
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Astronomical methods and instruments, 1875 - 1878
File
Reference Code: GBR/0180/RGO 6/175
Scope and Contents
Correspondence concerning new ideas on navigation, trials of existing equipment, the Greenwich transit circle and altazimuth, the purchase of a new telescope for New Zealand, and the sale of other instruments. The correspondents include E.J. Stone, W.H.M. Christie, W. De La Rue, E. Dunkin, A. d'Abbadie and Sir H. Grubb. There are papers by L.M. Rutherford on a glass circle for the measurement of angles; writing by G. Davidson on mechanical defects in micrometers; material on Sumner's method...
Dates:
1875 - 1878
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Astronomical methods and instruments, 1878 - 1880
File
Reference Code: GBR/0180/RGO 6/176
Scope and Contents
Correspondence concerning the Greenwich transit circle; adjustments to the altazimuth instrument and photoheliograph, with corrections; O. Struve on the proposed Russian refractor; and various suggestions sent to Airy. The correspondents include J.H. Dallmeyer, A.A. Common, W. De La Rue and W.H.M. Christie. There are papers by E. Plantamour and M. Loewy, in French, on spirit levels and flexure of the telescope; J. Hampden on sun dials; and E.T. Loseby on the benefits of spun glass. There are...
Dates:
1878 - 1880
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Astronomical methods and instruments, 1878 - 1887
File
Reference Code: GBR/0180/RGO 6/177
Scope and Contents
Correspondence with Airy and W.H.M. Christie concerning new astronomical techniques; requests for instruments and information; the testing of various instruments, such as a siderostat, telescopes and a driving clock; and the finding of the longitude. The correspondents include W. De La Rue, W. Huggins, S.P. Langley, Sir R.S. Ball, R.L.J. Ellery, E.K. Abbe, H.H. Turner and various lesser known scientists. There is a photograph of a negative of a plan of Flamsteed's equatorial sector, a...
Dates:
1878 - 1887
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence and observations on solar eclipse, 1867 - 1869
File
Reference Code: GBR/0180/RGO 6/122
Scope and Contents
Correspondence and observations relating to the total solar eclipse of 17-18 August 1868. The first part of the volume deals with the preparations for an expedition to India to observe the eclipse, the acquisition of new instruments, the financial arrangements, and diplomatic approval from the India Office, including a letter from the Under Secretary, H. Merivale. There are pieces on the Austrian and French expeditions and discussions with Major J.F. Tennant on the observations to be taken...
Dates:
1867 - 1869
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
Sub-Series
Correspondence on geodesy, 1862 - 1868
Sub-Series
Reference Code: GBR/0180/RGO 6/423
Scope and Contents
Correspondence on geodesy with related papers. The correspondents include H. James, W. De La Rue, C. Pritchard, B.A. Gould, O. Struve, F.A.T. Winnecke, C.F. Varley, W.G. Armstrong, J.T. Chance, W. Smyth, A.R. Clarke, R.L.J. Ellery, J.J.V. Littrow, A. d'Abbadie and C.V. Walker. There is material concerning experiments to find the Earth's density; a paper on a geological survey of Britain; drawings of two portable transit instruments and a zenith sector; departmental orders for a...
Dates:
1862 - 1868
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on instruments, 1853 - 1854
File
Reference Code: GBR/0180/RGO 6/166
Scope and Contents
Correspondence on new techniques, requests for advice and new instruments. There are requests for transit circles from the Portuguese government, Upsala, Sweden, and Albany, U.S.A.; a description by Airy of the Greenwich transit circle; experiments with mercury and photography, including two early pictures of the Sun; improved sextants and clocks; a 'universal instrument'; and an account of the instruments used by the ancient Chinese astronomers. The correspondents include E. Dunkin,...
Dates:
1853 - 1854
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on instruments, surveys and publications, 1880 - 1929
File
Reference Code: GBR/0180/RGO 15/76
Scope and Contents
Correspondence on different aspects of the work of the Cape Observatory:(1) Cape Observatory InstrumentsCorrespondence between G.B. Airy, W. De La Rue and D. Gill regarding the proposed large equatorial for the Cape, 10 April - 13 November 1880, with Airy's report to the Admiralty of 10 November 1880.Correspondence between G.B. Airy and J. Simms regarding iron stands for small transits, including diagrams, 21-28 July 1880.Correspondence between G.B. Airy and...
Dates:
1880 - 1929
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on magnetism and photography, 1862 - 1872
File
Reference Code: GBR/0180/RGO 6/681
Scope and Contents
Correspondence and related papers concerning magnetic instruments and photographic registration. The correspondents include H.E. Roscoe, B. Steward, G. Forbes, H. James, W. De La Rue, B.A. Gould, L.M. Rutherford and C. Brooke. The papers include vertical and horizontal section plans of the Horizontal Force and Declination Photographic Apparatus; a paper by J.D. Forbes titled 'An account of two artificial hemispheres representing graphically the distribution of temperature and magnetism from...
Dates:
1862 - 1872
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on meteorological results, 1875 - 1878
File
Reference Code: GBR/0180/RGO 6/704
Scope and Contents
Correspondence with the Meteorological Commission and Meteorological Society relating to the publication of meteorological results. The papers include notes for the Treasury Committee to report on certain questions relating to the Meteorological Committee; grants to the Meteorological Committee; a report of the Meteorological Committee of the Royal Society; comparisons, discussions and results of the Kew and Greenwich meteorological observations; the report of the Committee on the Greenwich...
Dates:
1875 - 1878
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on solar eclipse, 1871 - 1874
File
Reference Code: GBR/0180/RGO 6/135
Scope and Contents
Correspondence concerned primarily with following the solar eclipse of 14 December 1871. The papers include the announcement of the eclipse by N.R. Pogson; a report by Captain A.B. Fyers; observations by Sir J.N. Lockyer and Pogson, with 9 photographs taken at Madras; an Italian newspaper article by L. Respighi in the 'Gazzetta Officiale'; a French newspaper article; and a piece in 'The English Mechanic and World of Science' by R.A. Proctor. There are papers by Sir J.N. Lockyer on the 1871...
Dates:
1871 - 1874
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on solar eclipse expeditions, 1870 - 1871
File
Reference Code: GBR/0180/RGO 6/131
Scope and Contents
Correspondence for the preparation of expeditions to Spain and Sicily to observe the total solar eclipse, 21-22 December 1870. The correspondence with the Royal Society, Royal Astronomical Society, the Admiralty and the India Office includes letters from R.C. Carrington, G.G. Stokes, Sir J.N. Lockyer, A.C. Ranyard, W. Lassell, W. De La Rue, W. Huggins, C. Pritchard, Sir E. Sabine, Admiral G.H. Richards and H. Merivale. There are lists for those participating, the expeditions' accounts and...
Dates:
1870 - 1871
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on solar photography, 1892 - 1912
File
Reference Code: GBR/0180/RGO 7/190
Scope and Contents
Correspondence with C. Pritchard concerning shutters for the solar photographic work, 1892.Correspondence with A. Arnath concerning the whereabouts of W. De La Rue's tables for the reduction of solar plates, 1894, including a letter to Mrs De La Rue on this subject, with a negative reply.Letter to E.M. Autonaide, Paris, 1896, enclosing tables of sunspot areas for 1894-1895.Correspondence with Lieutenant Colonel G. Gore concerning plates for solar photography at Dehra...
Dates:
1892 - 1912
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on standards, 1858 - 1862
File
Reference Code: GBR/0180/RGO 6/357
Scope and Contents
Official and general correspondence on standards. The correspondents include Sir J.F.W. Herschel, Sir J.W. Lubbock, Professor W.H. Miller, W. De La Rue, A. de Morgan and General E. Sabine. The subjects covered include 'distribution of copies of the Accounts of Construction of the National Standards to the countries and institutions to which copies of the standards were sent' and 'payment of expenses for printing the Account of Construction of Standards'. There are printed papers, including...
Dates:
1858 - 1862
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on standards, 1862 - 1865
File
Reference Code: GBR/0180/RGO 6/358
Scope and Contents
Official and general correspondence on standards. The correspondents include Sir J.F.W. Herschel, Sir J. Lefevre, J.W. Lubbock, Professor W.H. Miller, Lord Monteagle, the Earl of Rosse, Lord Wrottesley, W. De La Rue and A. de Morgan. The volume includes printed 'Notes for the Committee on Weights and Measures, 1862' by Airy; an Act for the amendment and consolidation of the Custom Tariff Acts; printed copies of letters and reports on standards; and newspaper cuttings on the question of...
Dates:
1862 - 1865
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on standards, 1865 - 1868
File
Reference Code: GBR/0180/RGO 6/359
Scope and Contents
Official and general correspondence on standards. The correspondents include Sir J.F.W. Herschel, Sir J. Lefevre, Sir J.W. Lubbock, Professor W.H. Miller, Major General E. Sabine, Lord Wrottesley, W. Airy, W. De La Rue, Admiral Manners and Professor Wackenbath. The volume includes minutes of the first meeting of the Standards Commission; the first report of the Standards Commission; and papers on the decimal system of money.
Dates:
1865 - 1868
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on the British Association, 1861 - 1862
File
Reference Code: GBR/0180/RGO 6/409
Scope and Contents
Correspondence concerning the British Association, with related papers. The material includes notices, agendas, summonses and council minutes; announcement of a meeting in 'The London Review'; pamphlets on the membership and programme for the Manchester Convention (1861); a plan of the Manchester Trade Hall; and preparations for Airy's lecture on eclipses. The correspondents include W. Fairbairn, J.V. Lamont, H.E. Roscoe, M. Faraday, J. Phillips, W. De La Rue, J.R. Hind, R. Fitzroy and T.P....
Dates:
1861 - 1862
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on the Standards Commission, 1849 - 1858
File
Reference Code: GBR/0180/RGO 6/344
Scope and Contents
General correspondence on the Standards Commission. The correspondents include M. Biot, E.W. Brayley, A. de Morgan, W. De La Rue, M. Faraday, J.P. Gassiot, T. Maclear, E. Sabine, C.A. Peters and G.G. Stokes. The volume includes a galley proof titled 'Proposals to increase the gross weight of the Sovereign to 125 grains by making a small addition to the alloy, but preserving 113 grains of fine gold contained therein'; a copy of 'A Bill for regulating Weights and Measures'; a paper titled...
Dates:
1849 - 1858
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
Sub-Series
Correspondence on time balls and signals, 1866 - 1870
Sub-Series
Reference Code: GBR/0180/RGO 6/616
Scope and Contents
Correspondence and related papers on the time signal and time ball service, including a proposed time ball on Tuskar Rock in the Irish Sea, with a chart; a proposed time signal at Dundee; cable laying on the Great Eastern Railway; a proposed Ipswich Time Ball; the rating and errors of the Westminster and Post Office clocks; a proposed public clock for the City of London; electric clocks for the Adelaide Parliament, Madras (including a drawing) and Colaba Observatory in Bombay (including...
Dates:
1866 - 1870
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Correspondence on time balls and signals, 1858 - 1860
File
Reference Code: GBR/0180/RGO 6/614
Scope and Contents
Correspondence and related papers on the time signals at Portsmouth, Devonport and Sheerness and the tests, errors and running of time balls at Gravesend, Newcastle, Liverpool, Glasgow, Mauritius and the Cape of Good Hope. The papers include a newspaper cutting from 'The Gateshead Observer' on the importance of time balls; accounts and reports on the Post Office clocks; papers on the regulation of the London Bridge and Westminster Great Clock; and papers on the regulation of the Edinburgh...
Dates:
1858 - 1860
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
Additional filters:
- Subject
- Clocks 5
- Chennai 4
- Telegraphy 4
- Time 4
- Adelaide 3
- Astronomical observatories 3
- Edinburgh 3
- France 3
- Glasgow 3
- India 3
- London 3
- Magnetism 3
- Metrology 3
- Australia 2
- Cape of Good Hope 2
- China 2
- Devonport 2
- Ipswich 2
- Liverpool 2
- Manchester 2
- Mauritius 2
- Mechanics 2
- Newcastle upon Tyne 2
- Paris 2
- Photography 2
- Portsmouth 2
- Potsdam 2
- Pulkovo 2
- Sydney 2
- Vesuvius 2
- Albany 1
- Atlantic Ocean 1
- Aylesbury 1
- Beverly 1
- Birmingham 1
- Bombay 1
- Bristol 1
- Cambridge 1
- Cardiff 1
- Chicago 1
- Coins 1
- Colaba 1
- Coventry 1
- Deal 1
- Dundee 1
- Electricity 1
- Geodesy 1
- Gravesend 1
- Irish Sea 1
- Kew 1
- Limehouse 1
- Longitude 1
- Meteorology 1
- Nice 1
- North Tyne 1
- Optical instruments 1
- Oslo 1
- Oxford 1
- Port Elizabeth 1
- Portugal 1
- Scientific equipment 1
- Sheerness 1
- Sheffield 1
- Sicily 1
- Solar activity 1
- South Africa 1
- South Australia 1
- Spain 1
- Sussex 1
- Telescopes 1
- Toronto 1
- Upsala 1
- Valencia Island 1
- Vienna 1
- Wellington 1
- Worcester 1 + ∧ less
∨ more