London
Subject
Subject Source: Local sources
Found in 1 Collection or Record:
Item
Letter from Christian Siemers to Captain Thomas Hurd, 1817-05-29
Item
Reference Code: GBR/0180/RGO 14/38: 331-332
Scope and Contents
Enclosing a letter for the Board of Longitude; see [RGO 14/38: 333-336].
Dates:
1817-05-29
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).
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
/
Christian Siemers on a method using an instrument for observing polar altitudes