Dumbarton
Subject
Subject Source: Local sources
Found in 14 Collections and/or Records:
Item
Drawing by Thomas Johnstone, 1808-03-03
Item
Reference Code: GBR/0180/RGO 14/40: 300
Scope and Contents
Drawing of an instrument for ascertaining longitude at sea by observing the pointers of the Great Bear. Sent from Millton by Dumbarton.
Dates:
1808-03-03
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 and proposal sent from Thomas Johnstone to the Admiralty, 1806-04-24
Item
Reference Code: GBR/0180/RGO 14/38: 249-250
Scope and Contents
From the Item:
Four letters and a proposal.
Dates:
1806-04-24
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).
Found in:
Cambridge University Library
/
Royal Greenwich Observatory Archives
/
Papers of the Board of Longitude
/
Correspondence regarding methods and instruments used to establish longitude and the use of chronometers at sea
/
Thomas Johnstone's instrument for finding longitude by an observation of the Sun
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 Lord Mulgrave, 1807-08-19
Item
Reference Code: GBR/0180/RGO 14/36: 203-204
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:
1807-08-19
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 Johnstone to Lord Mulgrave, 1807-09-08
Item
Reference Code: GBR/0180/RGO 14/36: 205-206
Scope and Contents
Enclosing a drawing of a quarter of the globe marked with lines of latitude, the tangents of the meridian, and variations of the compass.
Dates:
1807-09-08
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 Nevil Maskelyne, 1808-05-18
Item
Reference Code: GBR/0180/RGO 14/40: 301-302
Scope and Contents
Concerning his proposed method of finding longitude by observing the pointers of the Great Bear. An annotation on the final page reads 'Ordered by the Board that no notice be taken of this letter'. Sent from Millton by Dumbarton.
Dates:
1808-05-18
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).
Item
Letter from Thomas Johnstone to the Admiralty, 1806-01-25
Item
Reference Code: GBR/0180/RGO 14/38: 243-244
Scope and Contents
From the Item:
Four letters and a proposal.
Dates:
1806-01-25
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).
Found in:
Cambridge University Library
/
Royal Greenwich Observatory Archives
/
Papers of the Board of Longitude
/
Correspondence regarding methods and instruments used to establish longitude and the use of chronometers at sea
/
Thomas Johnstone's instrument for finding longitude by an observation of the Sun
Item
Letter from Thomas Johnstone to the Admiralty, 1806-02-06
Item
Reference Code: GBR/0180/RGO 14/38: 245-246
Scope and Contents
From the Item:
Four letters and a proposal.
Dates:
1806-02-06
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).
Found in:
Cambridge University Library
/
Royal Greenwich Observatory Archives
/
Papers of the Board of Longitude
/
Correspondence regarding methods and instruments used to establish longitude and the use of chronometers at sea
/
Thomas Johnstone's instrument for finding longitude by an observation of the Sun
Item
Letter from Thomas Johnstone to the Admiralty, 1806-03-03
Item
Reference Code: GBR/0180/RGO 14/38: 247-248
Scope and Contents
From the Item:
Four letters and a proposal.
Dates:
1806-03-03
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 and instruments used to establish longitude and the use of chronometers at sea
/
Thomas Johnstone's instrument for finding longitude by an observation of the Sun
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
Proposal from Thomas Johnstone, 1806-11-05
Item
Reference Code: GBR/0180/RGO 14/36: 200-201
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:
1806-11-05
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).