Skip to main content

Cambridge University Libraries are providing a blend of online and controlled in-person services. Please see our website for more details.

Dent, Edward John, 1790 - 1853 (chronometer maker)

 Person

Found in 31 Collections and/or Records:

  • 1
  • 2
 File

Chronometer regulations, 1833 - 1844

Reference Code: GBR/0180/RGO 6/574
Scope and Contents Regulations regarding the loan and rating of chronometers. The volume includes a report of a committee of the Board of Longitude on this subject; regulations on accounts; publication of different chronometer ratings; and details of E.J. Dent's patent for improvements in chronometers and other timekeepers, with plans and drawings. The correspondents are J. Barrow, F. Beaufort, C. Wood, R. Sheepshanks, F. Molyneux and C. Frodsham.
Dates: 1833 - 1844
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

Copy of a letter to John Croker giving the results of the seventh annual chronometer trial, 1929-08

Reference Code: GBR/0180/RGO 5/233: 49r
Scope and Contents From the Item: Copies of outgoing correspondence from Astronomer Royal, John Pond, and his assistant, Thomas Taylor, at the Royal Observatory. Some of the letters are addressed to chronometer makers. Note that correspondence to more than one person often appears on the same page.
Dates: 1929-08
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

Copy of a letter to Mr Carter requesting his attendance at the Royal Observatory for the opening of his chronometer, 1835-02-25

Reference Code: GBR/0180/RGO 5/233: 62v/1
Scope and Contents Mr Carter's chronometer was opened in the presence of witnesses, following allegations by Messrs. Dent and Eiffe that Carter had not performed the adjustments himself.
Dates: 1835-02-25
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).
 Item

Copy of a letter to Mr Dent requesting his attendance at the Royal Observatory to witness the opening of Mr Carter's chronometer, 1835-02-25

Reference Code: GBR/0180/RGO 5/233: 62v/2
Scope and Contents From the Item: Copies of outgoing correspondence from Astronomer Royal, John Pond, and his assistant, Thomas Taylor, at the Royal Observatory. Some of the letters are addressed to chronometer makers. Note that correspondence to more than one person often appears on the same page.
Dates: 1835-02-25
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).
 Item

Copy of a letter to R. Byam (Office of Ordnance) concerning two chronometers by Dent, 1829-03-20

Reference Code: GBR/0180/RGO 5/233: 48r
Scope and Contents From the Item: Copies of outgoing correspondence from Astronomer Royal, John Pond, and his assistant, Thomas Taylor, at the Royal Observatory. Some of the letters are addressed to chronometer makers. Note that correspondence to more than one person often appears on the same page.
Dates: 1829-03-20
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).
 File

Correspondence on terrestrial longitude, 1833 - 1848

Reference Code: GBR/0180/RGO 6/181
Scope and Contents Correspondence on finding terrestrial longitude by testing chronometers at the culmination of Moon and stars. There is material on the longitudes of Chelmsford, Limerick, Port Stephen (Australia), Paris, Edinburgh, Antwerp, Dublin, Armagh, Cambridge, Oxford, Bedford, Hartwell, Portsmouth, Devonport, Hamburg, Liverpool and Regent's Park. The correspondents include E.J. Cooper, J.C. Fremont, P.P. King, W.H.C. Bartlett, Sir F. Beaufort, G. Fisher, E. Sabine, T. Henderson, R. Sheepshanks, J....
Dates: 1833 - 1848
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

Correspondence on the New Palace clock, 1857 - 1861

Reference Code: GBR/0180/RGO 6/609
Scope and Contents Correspondence concerning the clock for the New Palace at Westminster. The correspondents include A. de Morgan, J.F.W. Herschel, W. Whewell and F. Dent. The papers includes pages extracted from the 'Mechanics' Magazine'; pages and two diagrams extracted from 'The Builder'; a paper by E.T. Loseby 'on the Westminster Clock'; and a paper by W.L. Baker on 'the Great Bell of Westminster'. There are also several musical calculations of the notes made by the bell in the New Palace.
Dates: 1857 - 1861
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

Correspondence with tradesmen, 1879

Reference Code: GBR/0180/RGO 6/757
Scope and Contents Correspondence with tradesmen, including letters from booksellers; coal merchants; clock repairers; horologists; builders; chandlers; merchants; instrument makers; opticians; stationers; parcel carriers; chemists; journeymen; decorators; bookbinders; import agents; masons; glass manufacturers; slaters; the Post Office; furniture removers; valve makers; rubber manufacturers; ironmongers; the Tax Office; and the Kent Water Company. The letters cover various instructions; accounts; requests;...
Dates: 1879
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 authorising the purchase of two chronometers by Dent and requesting that they remain at the Royal Observatory until their shipment to New South Wales, 1830-02-19

Reference Code: GBR/0180/RGO 5/231: 335
Scope and Contents Sent by R. Byham (Board of Ordnance) to John Pond.
Dates: 1830-02-19
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 concerning the delivery of chronometers by French to Captain Back for his Arctic expedition, 1833-02-08

Reference Code: GBR/0180/RGO 5/231: 141
Scope and Contents Sent from Francis Beaufort to John Pond.
Dates: 1833-02-08
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 concerning the delivery of chronometers to Captain Hewett and Mr Dent, 1835-04-04

Reference Code: GBR/0180/RGO 5/231: 295
Scope and Contents Sent by Francis Beaufort to John Pond.
Dates: 1835-04-04
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 concerning the purchase of two chronometers at Madras by Rear-Admiral Owen, 1831-10-09

Reference Code: GBR/0180/RGO 5/231: 62
Scope and Contents Sent from Francis Beaufort to John Pond.
Dates: 1831-10-09
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 directing Pond to purchase two chronometers by Dent, 1829-04-03

Reference Code: GBR/0180/RGO 5/231: 333
Scope and Contents Sent by R. Byham (Board of Ordnance) to John Pond.
Dates: 1829-04-03
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 ordering a chronometer by Carter to be opened up, following allegations that Carter had not made the adjustments himself, 1835-02-24

Reference Code: GBR/0180/RGO 5/231: 277
Scope and Contents Sent by John Barrow to John Pond.
Dates: 1835-02-24
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 reporting on condition of Brocklebank chronometer Nos. 415 and 582, 1830-09-11

Reference Code: GBR/0180/RGO 5/237: 170
Scope and Contents Sent from Edward Dent to Thomas Taylor.
Dates: 1830-09-11
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 reporting on condition of Earnshaw chronometer No. 305, 1830-06-09

Reference Code: GBR/0180/RGO 5/237: 155
Scope and Contents Sent from Edward Dent to Thomas Taylor.
Dates: 1830-06-09
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 reporting on condition of Earnshaw chronometer No. 609, 1830-08-30

Reference Code: GBR/0180/RGO 5/237: 164
Scope and Contents Sent from Edward Dent to Thomas Taylor.
Dates: 1830-08-30
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 reporting on condition of Earnshaw chronometer No. 814 and cost of repairs, 1829-10-14

Reference Code: GBR/0180/RGO 5/237: 147
Scope and Contents Sent from Edward John Dent to Thomas Taylor.
Dates: 1829-10-14
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 reporting on repairs for chronometer No. 6303 and costs, 1829-10

Reference Code: GBR/0180/RGO 5/237: 150
Scope and Contents Sent from Edward John Dent to Thomas Taylor.
Dates: 1829-10
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).
 Item

Letter reporting on the condition of Earnshaw chronometer No. 508, 1830-08-11

Reference Code: GBR/0180/RGO 5/237: 162
Scope and Contents Sent from Edward Dent to Thomas Taylor.
Dates: 1830-08-11
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

Miscellaneous papers on chronometers, 1835 - 1844

Reference Code: GBR/0180/RGO 6/595
Scope and Contents Miscellaneous papers concerning chronometers, including the ownership of chronometers; certificates for chronometer makers; the advantages box chronometers have over pocket chronometers on steam ships; the injury of chronometers; printed rates of the chronometer M.R. Parkinson and C. Frodsham 2110 from 1 November 1838 to 29 February 1840; a copy of the 'Mechanics' Magazine', 23 February 1839; a circular from E.J. Dent issued after the dissolution of the company Arnold and Dent, stating his...
Dates: 1835 - 1844
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

Observations of transits, 1829 - 1830

Reference Code: GBR/0180/RGO 5/10
Scope and Contents Original transit observations, 6 September 1829 - 30 September 1830, with occultations of various stars observed with the 46 inch achromatic, 30 inch achromatic and 5 inch equatorial telescopes; adjustments to the transit instrument; meridian marks at Chingford and Blackwall; and repairs to the transit clock by E.J. Dent.
Dates: 1829 - 1830
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

Observations of transits, 1834 - 1835

Reference Code: GBR/0180/RGO 5/15
Scope and Contents Original transit observations, 27 February 1834 - 27 September 1835, with adjustments to the transit instrument; adjustments to the transit clock; repairs to the transit clock by E.J. Dent; the meridian marks at Blackwall and Chingford; and the temporary meridian mark, 27 February 1834.
Dates: 1834 - 1835
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

Papers on chronometer improvements, 1828 - 1869

Reference Code: GBR/0180/RGO 6/593
Scope and Contents Correspondence and papers concerning improvements and refinements to chronometers, including escapements by G.W. Linderoth, J. Gray, J.C. Bloxam, and W. Eaton; I. Hermann's escapement, with explanations and plans; C.F. Frodsham's experiments on compensator balances; E. Huntingdon's compensating pendulum; a model face of an astronomical clock; H.B. James on his invention, 'the compensator'; extracts from a report on Danish exhibits at chronometer exhibitions; correction of a clock by magnetic...
Dates: 1828 - 1869
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

Papers on clock and chronometer improvements, 1836 - 1844

Reference Code: GBR/0180/RGO 6/585
Scope and Contents Correspondence and papers concerning proposed improvements in clocks and chronometers. The correspondents include F. Baily, F. Beaufort, G. Fisher, A. de Morgan, R. Sheepshanks and W. Tite. The volume includes a paper, originally from 'The Nautical Magazine', titled 'Magnetic Experiments on Chronometers'; a paper, originally from 'The Nautical Magazine', titled 'Glass Balance-Springs to Chronometers'; extracts from 'The County Herald' of October and November 1837 on improvements in...
Dates: 1836 - 1844
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).
  • 1
  • 2

The UK Archival Thesaurus has been integrated with our catalogue, thanks to Kings College London and the AIM25 project for their support with this.