Board of Longitude
Organization
Found in 341 Collections and/or Records:
Item
Letter from Thomas Hedgcock to the Board of Longitude, 1813-02-25 - 1813-04-15
Item
Reference Code: GBR/0180/RGO 14/35: 281-282
Scope and Contents
With a note on the reverse by John Croker.
Dates:
1813-02-25 - 1813-04-15
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).
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 Hedgcock on finding the longitude by an altitude of the sun, moon or star
Item
Letter from Thomas Hedgcock to the Board of Longitude, 1816-02-28
Item
Reference Code: GBR/0180/RGO 14/35: 295-295a
Scope and Contents
Originally enclosed in the letter to Thomas Hurd at [RGO 14/35: 294-294a].
Dates:
1816-02-28
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).
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 Hedgcock on finding the longitude by an altitude of the sun, moon or star
Item
Letter from Thomas Hedgcock to the Board of Longitude, 1816-09-04
Item
Reference Code: GBR/0180/RGO 14/35: 297-298
Scope and Contents
Originally enclosed in the letter to Thomas Hurd at [RGO 14/35: 296-296a].
Dates:
1816-09-04
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 Hedgcock on finding the longitude by an altitude of the sun, moon or star
Item
Letter from Thomas Hedgcock to the Board of Longitude, 1818-05-28
Item
Reference Code: GBR/0180/RGO 14/35: 300-301
Scope and Contents
Originally enclosed in the letter to Thomas Hurd at [RGO 14/35: 299-299a].
Dates:
1818-05-28
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).
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 Hedgcock on finding the longitude by an altitude of the sun, moon or star
Item
Letter from Thomas Hedgcock to the Board of Longitude, 1818-11-10
Item
Reference Code: GBR/0180/RGO 14/35: 302-303
Scope and Contents
From the Item:
24 letters, with related papers and observations.
Dates:
1818-11-10
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).
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 Hedgcock on finding the longitude by an altitude of the sun, moon or star
Item
Letter from Thomas Hedgcock to the Board of Longitude, 1825-04-12
Item
Reference Code: GBR/0180/RGO 14/35: 316-317
Scope and Contents
From the Item:
24 letters, with related papers and observations.
Dates:
1825-04-12
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 Hedgcock on finding the longitude by an altitude of the sun, moon or star
Item
Letter from Thomas Hedgcock to the Board of Longitude, 1826-09-18
Item
Reference Code: GBR/0180/RGO 14/35: 328-329
Scope and Contents
From the Item:
24 letters, with related papers and observations.
Dates:
1826-09-18
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 Hedgcock on finding the longitude by an altitude of the sun, moon or star
Item
Letter from Thomas Hedgcock to the Board of Longitude, 1827-12-03
Item
Reference Code: GBR/0180/RGO 14/35: 332-333
Scope and Contents
From the Item:
24 letters, with related papers and observations.
Dates:
1827-12-03
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).
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 Hedgcock on finding the longitude by an altitude of the sun, moon or star
Item
Letter from Thomas Johnstone concerning errors in longitude and latitude, 1806-09-06
Item
Reference Code: GBR/0180/RGO 14/41: 15-17
Scope and Contents
From the File:
Correspondence regarding methods for establishing latitude.
Dates:
1806-09-06
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, 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 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 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 Williams to the Board of Longitude, 1785-02-04
Item
Reference Code: GBR/0180/RGO 14/40: 511-512
Scope and Contents
Requesting a response from the Board on his invention relating to longitude. Williams asks for financial assistance due to his 'deplorable' situation, mentioning that his wife was in the parish workhouse.
Dates:
1785-02-04
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 Williams to the Board of Longitude, 1785 - 1790
Item
Reference Code: GBR/0180/RGO 14/40: 513-514
Scope and Contents
Requesting that his method for finding the curve of the earth be laid before the Board.
Dates:
1785 - 1790
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 Williams to the Board of Longitude, 1789-03-07
Item
Reference Code: GBR/0180/RGO 14/55: 168-168a
Scope and Contents
From the Sub-file:
With an index of names.
Dates:
1789-03-07
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 W. Adams on using a sandglass to ascertain the time at sea, 1810-01-30
Item
Reference Code: GBR/0180/RGO 14/38: 254-256
Scope and Contents
A note on the back reads 'deserves no attention'.
Dates:
1810-01-30
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 W. North to the Board of Longitude, 1818-09-22
Item
Reference Code: GBR/0180/RGO 14/41: 137-137a
Scope and Contents
From the Item:
Two letters and a set of tables.
Dates:
1818-09-22
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).
Item
Letter from W. Waldron to the Board of Longitude, 1819-04-07
Item
Reference Code: GBR/0180/RGO 14/37: 267-268
Scope and Contents
From the Item:
Two letters on finding longitude by an 'astral timekeeper' and star tables. For related letters from Waldron, see also [RGO 14/40: 487-493].
Dates:
1819-04-07
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).
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