London
Subject
Subject Source: Local sources
Found in 1992 Collections and/or Records:
Item
Letter from Thomas Johnstone to the Board of Longitude, 1805-11-07
Item
Reference Code: GBR/0180/RGO 14/40: 298-299
Scope and Contents
Concerning his proposed method of finding longitude by taking the distance from the sun. Sent from Dumbarton.
Dates:
1805-11-07
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).
Item
Letter from Thomas Johnstone to the Board of Longitude, 1806-10-29
Item
Reference Code: GBR/0180/RGO 14/36: 198-199
Scope and Contents
From the Item:
Five letters and a proposal on finding longitude by using the sun's bearing and by the lowest ascension of the pointers encircling the Pole.
Dates:
1806-10-29
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).
Item
Letter from Thomas Johnstone to the Board of Longitude, 1807-10-31
Item
Reference Code: GBR/0180/RGO 14/36: 207-208
Scope and Contents
Includes illustrated instructions for taking the distance of celestial objects from each other, and their bearings from the ship.
Dates:
1807-10-31
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).
Item
Letter from Thomas Johnstone to William Marsden, 1807-06-20
Item
Reference Code: GBR/0180/RGO 14/36: 202
Scope and Contents
From the Item:
Five letters and a proposal on finding longitude by using the sun's bearing and by the lowest ascension of the pointers encircling the Pole.
Dates:
1807-06-20
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).
Item
Letter from Thomas Jones to Dr Thomas Young, 1825-05
Item
Reference Code: GBR/0180/RGO 14/48: 184
Scope and Contents
Enquiring whether the changes he had made to the Greenwich mural circle should also be made to that for the Cape Observatory, and also enquiring about making spare pieces or parts.
Dates:
1825-05
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).
Item
Letter from Thomas Jones to Dr Thomas Young, 1820-04-10
Item
Reference Code: GBR/0180/RGO 14/48: 180
Scope and Contents
Concerning the price of a six-foot mural circle (seven hundred and fifty guineas) and the time required to make it (about two years).
Dates:
1820-04-10
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).
Item
Letter from Thomas Jones to Dr Thomas Young, 1820-05-30
Item
Reference Code: GBR/0180/RGO 14/48: 181-181a
Scope and Contents
Concerning his progress on the six-foot mural circle for the Cape Observatory and requesting £200 for his work.
Dates:
1820-05-30
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).
Item
Letter from Thomas Jones to Dr Thomas Young, 1821-01-24
Item
Reference Code: GBR/0180/RGO 14/48: 182
Scope and Contents
Concerning his progress on the six-foot mural circle for the Cape Observatory (which was half made) and requesting £200 for his work.
Dates:
1821-01-24
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).
Item
Letter from Thomas Jones to Dr Thomas Young, 1825-01-28
Item
Reference Code: GBR/0180/RGO 14/48: 183-183a
Scope and Contents
Informing him that the six-foot mural circle for the Cape Observatory was complete and requesting payment.
Dates:
1825-01-28
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).
Item
Letter from Thomas Jordan to John Wilson Croker, 1827-10-01
Item
Reference Code: GBR/0180/RGO 14/24: 433-434
Scope and Contents
Concerning an invention for the regulation of timepieces.
Dates:
1827-10-01
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).
Item
Letter from Thomas Kerigan to John Wilson Croker, 1826-09-22
Item
Reference Code: GBR/0180/RGO 14/35: 438-439
Scope and Contents
From the Item:
Letter and paper.
Dates:
1826-09-22
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).
Found in:
Cambridge University Library
/
Royal Greenwich Observatory Archives
/
Papers of the Board of Longitude
/
Correspondence regarding methods of establishing longitude by lunar methods other than lunar distances
/
Thomas Kerigan on finding the longitude by the moon's altitude and time of observation
Item
Letter from Thomas Kirton to the Board of Longitude, 1787-11-20
Item
Reference Code: GBR/0180/RGO 14/40: 515
Scope and Contents
Concerning his invention of a machine for longitude.
Dates:
1787-11-20
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).
Item
Letter from Thomas Lynn and Thomas Yarrow to Dr Thomas Young, 1826-09-29
Item
Reference Code: GBR/0180/RGO 14/35: 446-447a
Scope and Contents
On finding the longitude by altitudes of celestial objects.
Dates:
1826-09-29
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).
Item
Letter from Thomas Lynn to the Board of Longitude, 1825-05-26
Item
Reference Code: GBR/0180/RGO 14/35: 449-450
Scope and Contents
Concerning his nautical and astronomical tables.
Dates:
1825-05-26
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).
Item
Letter from Thomas Magrath to the Board of Longitude, 1823-11-03
Item
Reference Code: GBR/0180/RGO 14/24: 492-493
Scope and Contents
Concerning his method of regulating chronometers.
Dates:
1823-11-03
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).
Item
Letter from Thomas Milne to the Board of Longitude, 1800-10-15
Item
Reference Code: GBR/0180/RGO 14/40: 534-535
Scope and Contents
Outlining his plan to use the mariners compass to discover the magnetic poles. Milne claims that it was therefore not necessary to find longitude at sea, as his discovery would guide ships to their respective ports.
Dates:
1800-10-15
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).
Item
Letter from Thomas Mudge (junior) to [the Board of Longitude], 1790-11-24
Item
Reference Code: GBR/0180/RGO 14/23: 157-158
Scope and Contents
From the Item:
Includes accounts of the rates of his chronometers Green and Blue, as tried at the Royal Observatory, reports outlining objections to his petition, and seven letters.
Dates:
1790-11-24
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).
Item
Letter from Thomas Neate to the Board of Longitude, 1808-10-27
Item
Reference Code: GBR/0180/RGO 14/40: 554
Scope and Contents
Outlining his method for correcting the timekeeper.
Dates:
1808-10-27
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).
Item
Letter from Thomas Peck to the Board of Longitude, 1818-07-14
Item
Reference Code: GBR/0180/RGO 14/40: 401-401a
Scope and Contents
Concerning his son's work on 'that Great Mystery Longitude', which he invited the Board to inspect at his house.
Dates:
1818-07-14
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).
Item
Letter from Thomas Phipps to Dr Thomas Young, 1824-11-01
Item
Reference Code: GBR/0180/RGO 14/24: 474
Scope and Contents
From the Sub-file:
Twenty letters, a plan and one report, sent by various correspondents.
Dates:
1824-11-01
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).
Item
Letter from Thomas Ruxton to Captain Thomas Hurd, 1817-07-30
Item
Reference Code: GBR/0180/RGO 14/31: 196-198
Scope and Contents
In which Ruxton describes two instruments he had designed (but not yet made): an instrument for measuring the force and direction of any current, and a new chronometer. Ruxton mentions that his name was not unknown as he had previously patented 'the Inviolable Perfect Lock'. The letter also contains a copy of Thomas Hurd's reply, stating that the Board could give no opinion on the merit of his invention without practical trials.
Dates:
1817-07-30
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).
Item
Letter from Thomas Salt to Robert Waring Darwin; written at London, 1844-10-15
Item
Reference Code: GBR/0012/MS DAR 227.6: 439
Scope and Contents
Letter from Thomas Salt to Robert Waring Darwin; written at London
(Letter)
Dates:
1844-10-15
Conditions Governing Access:
From the Fonds:
Some material in the Darwin archive is not available because it is unfit for production and access to some very fragile material may only be possible with support from specialist conservation staff. Please see descriptions for further details.
Item
Letter from Thomas Taylor to Captain Kater, 1825-03-25
Item
Reference Code: GBR/0180/RGO 14/23: 86
Scope and Contents
From the Item:
Includes accounts of the rates of chronometers, reports on chronometer trials, and eleven related letters.
Dates:
1825-03-25
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).
Item
Letter from Thomas Turton to [Dr Thomas Young], 1823-04-19
Item
Reference Code: GBR/0180/RGO 14/23: 73
Scope and Contents
From the Item:
Includes accounts of the rates of chronometers, reports on chronometer trials, and eleven related letters.
Dates:
1823-04-19
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).
Item
Letter from Thomas Turton to Dr Thomas Young, 1823-05-09
Item
Reference Code: GBR/0180/RGO 14/23: 79-80
Scope and Contents
From the Item:
Includes accounts of the rates of chronometers, reports on chronometer trials, and eleven related letters.
Dates:
1823-05-09
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).