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.

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.

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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.

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.

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.

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....

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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.

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;...

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Sent by R. Byham (Board of Ordnance) to John Pond.

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Sent from Francis Beaufort to John Pond.

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Sent by Francis Beaufort to John Pond.

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Sent from Francis Beaufort to John Pond.

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Sent by R. Byham (Board of Ordnance) to John Pond.

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Sent by John Barrow to John Pond.

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Sent from Edward Dent to Thomas Taylor.

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Sent from Edward Dent to Thomas Taylor.

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Sent from Edward Dent to Thomas Taylor.

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Sent from Edward John Dent to Thomas Taylor.

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Sent from Edward John Dent to Thomas Taylor.

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Sent from Edward Dent to Thomas Taylor.

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...

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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.

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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.

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...

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...