Correspondence concerning the purchase and loss of chronometers:

Correspondence with E. Dent and Co., J. Poole and Co., T. Hewitt and other watchmakers asking for a quote for making deck watches, 1885.

Correspondence concerning the purchase of chronometers from Messrs Williams, Moore, Shephard and Son, J. Poole and Co., and Reid and Sons, 1885.

Correspondence with the Hydrographer of the Navy concerning the purchase of chronometers and deck watches, 1885.

Correspondence with the Hydrographer of the Navy concerning the purchase of chronometers from T. Hewitt, E. Dent and Co., H.P. Isaac, V. Killberg and J. Pennington, 1886.

Correspondence with J. Keys asking if he would be willing to sell the chronometer Keys 450, and letters to the horologists Glover, King, Lister and Sons, Weichare, and Edward and Sons asking if they would be willing to sell certain chronometers in their possession, 1886.

Correspondence with Mrs Porter concerning the purchase of the chronometers Lowry 1831 and 1832, 1886.

Notice to the effect that Dent 2300 and Harrison 481 are to be entered on the books as Government chronometers, 1885-1886.

Notice from the Admiralty of a £400 increase in the vote for chronometers, 1886.

Printed circulars from the Clockmakers Company and related correspondence on annual prizes for horologists, 1887.

Correspondence with the Hydrographer of the Navy, 1888, concerning the purchase of the chronometers Webster 16968, Hume 2014, Pyott 887 and Isaac 1688.

Correspondence with the Hydrographer of the Navy concerning the purchase of chronometers and deck watches during 1888-1889.

Correspondence with Buckney, Hau and Ashley, horologists, requesting the delivery of chronometers purchased from them, 1890.

Correspondence with J. Player concerning the purchase of deck watch 25445 from him, 1891.

Correspondence with Ashley, King, Kendal and Dent, Speigelhalter, Bannister and Judd, horologists, requesting the delivery of chronometers and deck watches, 1892.

List of seventeen old chronometers in bad condition, giving the history of each, 1884.

Correspondence with Mr Crisp, horologist, 1885-1886, requesting the return of the Government chronometers in his possession for repair since 1882, including replies from Mr Crisp confessing his inability to return the chronometers, a letter from his son offering to work off his father's debt for the chronometers pawned, and correspondence with the Hydrographer of the Navy and Inspector Swanson concerning the return of nineteen of the missing chronometers.

Correspondence with the Hydrographer of the Navy concerning chronometers which have been lost or are missing, and are to be written off the books of the Royal Observatory as losses, 1885.

Correspondence with the Hydrographer of the Navy and E. Dent and Co. concerning the exchange of thirteen old chronometers for two new deck watches, Dent 43109 and Dent 43110, 1886.

Correspondence concerning the sale of Frodsham and Baker 6188 to H.P. Isaac, and correspondence with E. Dent and Co. concerning the exchange of five old chronometers for the deck watch Dent 43107, 1887.

Correspondence with Reid and Son, horologists, concerning the provision of chronometers for government ships, 1889.

Correspondence with the Hydrographer of the Navy, September 1889, concerning chronometers lost at sea in the wreck of HMS 'Lily', especially Lister 508, Parkinson and Frodsham 2264, and Molyneux 1263.

Correspondence with the Hydrographer of the Navy, 1891, concerning chronometers lost at sea in the wreck of HMS 'Serpent', especially Dent M F 23084, Killberg 3970, and Molyneux 2094.

Correspondence with the Hydrographer of the Navy, 1892, concerning the loss of the deck watches Arnold 301 and Arnold 602 on HMS 'Rodney'.

Correspondence with the Hydrographer of Navy concerning his refusal to sell unserviceable Royal Observatory chronometers to H.P. Isaac, horologist, 1891.

Correspondence with Inspector Swanson concerning the loss of the Dent 11425 chronometer, 1892.

Correspondence with the Hydrographer of the Navy, 1893, concerning the loss in the wreck of HMS 'Victoria', 22 June 1892, of the following chronometers: Arnold 330, Barraud 957, Dent 1790, Keys 889, Parkinson and Frodsham 2153, Birchall 308, and Dent 42028.

Correspondence with the Hydrographer of the Navy concerning the receipt of two chronometers from the Foreign Office for trial at the Royal Observatory, 1893.

Correspondence with the Union Steam Ship Company concerning the value of chronometers shipped on their steamers, 1894.

Correspondence with Nugent, Wells and Sons, 1895, concerning the loss of Nugent and Wells 2858.

Correspondence with the Union Steam Ship Company concerning the value of chronometers shipped on their steamers, 1895.

Correspondence with the Hydrographer of the Navy concerning the loss of the chronometer Dent 30055 in the wreck of HMS 'Herald', 1896.

Correspondence with the Hydrographer of the Navy, 1897, concerning the loss of White 34612.

Correspondence with the Hydrographer of the Navy concerning the loss of the deck watch Hall 3651 from HMS 'Corius', and Dent 228 from HMS 'Calypso', 1897.

Correspondence with the Hydrographer of the Navy concerning the loss of Frodsham 07959 from HMS 'St George', 1898.

Correspondence with the Transport Officer, Southampton, concerning the value of the chronometers proposed for HMS 'Flora', 1899.

Correspondence with A. Johannsen and Co., 1899, concerning the theft of deck watch 6456.

Correspondence with the Hydrographer of the Navy, 1900, concerning the theft of Brockbank and Atkin 74451 and Bannister 1712.

Correspondence with the Hydrographer of the Navy concerning the number of deck watches sold to the Colonial Office, 1900.

Correspondence with the Hydrographer of the Navy, 1901, concerning the loss of the deck watch Isaac 10831.