Cheltenham
Subject
Subject Source: Local sources
Found in 5 Collections and/or Records:
Item
Letter from J.L. Mackay to Captain Thomas Hurd, 1817-07-24
Reference Code: GBR/0180/RGO 14/36: 222-224
Scope and Contents
On a method using the difference in time of the appearance of stars.
Dates:
1817-07-24
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 J.L. Mackay to Captain Thomas Hurd, 1818-03-17
Reference Code: GBR/0180/RGO 14/40: 362-363
Scope and Contents
Outlining his proposal to find longitude by a lunar dial.
Dates:
1818-03-17
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 J.L. Mackay to Captain Thomas Hurd, 1818-03-19
Reference Code: GBR/0180/RGO 14/40: 364-365
Scope and Contents
Outlining his proposal to find longitude by a lunar dial.
Dates:
1818-03-19
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 J.L. Mackay to Captain Thomas Hurd, 1818-03-26
Reference Code: GBR/0180/RGO 14/40: 366
Scope and Contents
Containing a recapitulation of his proposal to find longitude by a lunar dial, and suggesting that the lunar dial could also be used to regulate a chronometer.
Dates:
1818-03-26
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 J.L. Mackay to the Board of Longitude, 1818-11-16
Reference Code: GBR/0180/RGO 14/40: 367
Scope and Contents
Outlining his proposed method of finding longitude with a lunar dial.
Dates:
1818-11-16
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).