Arnold, John, c1736 - 1799 (watch and chronometer maker)
Person
Found in 5 Collections and/or Records:
Item
Astronomical observations made at the town of the Cape of Good Hope, 1772-10-31 - 1772-11-16
Item
Reference Code: GBR/0180/RGO 14/57: 12r-14r
Scope and Contents
The observations begin with a note on setting up his instruments on shore. Included are daily astronomical observations, observations for determining the variation of the magnetic needle, and observations of the rate of Clocks B and C, and of Watch No. 1.
Dates:
1772-10-31 - 1772-11-16
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).
File
Confirmed minutes, 1802 - 1823
File
Reference Code: GBR/0180/RGO 14/7
Scope and Contents
Minutes of Board of Longitude meetings regarding, among other matters, tables devised by José Mendoza de Ríos; correspondence with John Crosley (the astronomer with the expedition to New South Wales); a claim for a reward for Charles Mason's work on lunar tables; a report on the Arnold and Earnshaw chronometers going on the voyage of Captain Matthew Flinders; grants and awards to chronometer-makers; the observations of Nathaniel Bliss when he was Astronomer Royal; models of watch escapements...
Dates:
1802 - 1823
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
Entries for October, 1772-10-01 - 1772-10-30
Item
Reference Code: GBR/0180/RGO 14/56: 21v-28v
Scope and Contents
Daily entries for October, travelling towards the Cape of Good Hope. A number of entries include measurements of lunar distances from the sun, Aquila and Aldebaran, along with resulting calculations of longitude. An entry for 5 October records that Arnold’s Watch No. 2 was losing considerable time and that the second hand was pausing for intervals of a few seconds [RGO 14/56: 22v]; estimations of longitude by timekeeper were thereafter recorded by Bayly in the log book based on Watch No. 1...
Dates:
1772-10-01 - 1772-10-30
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 concerning two chronometers to be given to Sir John Herschel for an expedition to the interior of Africa, 1833-10-30
Item
Reference Code: GBR/0180/RGO 5/231: 191
Scope and Contents
Sent by Francis Beaufort to John Pond.
Dates:
1833-10-30
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
Printed letter concerning two chronometers for Mr Maclear, astronomer at the Cape of Good Hope, 1833-10-05
Item
Reference Code: GBR/0180/RGO 5/231: 182
Scope and Contents
Sent by Francis Beaufort to John Pond.
Dates:
1833-10-05
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).
Filtered By
- Subject: Cape of Good Hope X
Additional filters:
- Subject
- Cape Town 2
- Africa 1
- Astronomical observatories 1
- Atlantic Ocean 1
- Legislation 1