Correspondence concerning the trial of chronometers at the Royal Observatory, 1894-1895, including:

(i) Notice of the trial to be published by the 'Horological Journal'.

(ii) Copies of chronometer rates.

(iii) Copies of letters to Usher and Cole, A. Johannsen and Co., F.J. Clerke, Frodsham and Keen, and M.F. Dent requesting that they withdraw their chronometers from the trial due to their poor performance.

(iv) Rough abstract on the annual trial of chronometers.

(v) List of results in order of merit.

(vi) Comparison of trial rates.

(vii) List of chronometers purchased by the Admiralty.

(viii) Correspondence with F.J. Britten of the British Horological Institute concerning the publication of the results of the annual trial in the 'Horological Journal'.

Correspondence concerning the trial of deck watches, 1894-1895, including:

(i) 'Comparisons of Seconds Dials of Annual Trial Deck Watches'.

(ii) List of deck watches entered for trial.

(iii) 'Abstract of the Annual Trial Deck Watches 1894-1895'.

(iv) Results in order of merit.

(v) List of deck watches purchased by the Admiralty.

(vi) Correspondence with A. Johannsen, Joseph White and Sons, S. Smith and Son, D. Buckney, J. Hammersley, W. Holland, J. Player and Son, M.F. Dent and Co., and H. Hilbrand.

Correspondence concerning the trial of chronometers, 1895-1896, including:

(i) Copies of letters to the 'Horological Journal' and the 'Watchmaker, Jeweller, Silversmith and Optician' concerning the publication of notices of the forthcoming chronometer trial.

(ii) Various papers concerning the trial.

(iii) Results in order of merit.

(iv) List of chronometers purchased by the Admiralty.

(v) 'Rough Abstract Sheet of the Annual Trial Chronometers 1895-1896'.

Correspondence concerning the trial of deck watches, 1895-1896, including:

(i) Correspondence with Bolton Smith, David Keys, W. Gabriel, H.P. Isaac, Joseph Player and W. Burton.

(ii) Notes concerning the trial.

(iii) 'Abstract Annual Trial Deck Watches 1895-1896', a rough and final copy.

(iv) Results in order of merit.

(v) List of deck watches purchased by the Admiralty.

Correspondence concerning the trial of chronometers, 1896-1897, including:

(i) Letters to the Hydrographer of the Navy and the British Horological Institute.

(ii) Notes on the trial.

(iii) Results in order of merit.

(iv) List of chronometers purchased by the Admiralty

(v) Rough abstract on the annual trial of chronometers.

Correspondence concerning the trial of deck watches, 1896-1897, including:

(i) Correspondence with the Hydrographer of the Navy and the British Horological Institute.

(ii) Rough notices and drafts of printed notices of the trial.

(iii) Correspondence with J. Player and Son and with F.J. Britten.

(iv) Notes on the trial.

(v) 'Abstract of Annual Trial of Deck Watches'.

(vi) Results on order of merit.

(vii) List of deck watches purchased by the Admiralty.

Correspondence concerning the trial of chronometers, 1897-1898, including:

(i) Notice of the forthcoming trial.

(ii) Letters to the Hydrographer of the Navy and the British Horological Institute concerning the trial.

(iii) Notes on the trial.

(iv) Results in order of merit.

(v) List of chronometers purchased by the Admiralty.

(vi) Correspondence with F.J. Britten.

(vii) Rough abstract of the annual trial of chronometers.

Correspondence concerning the trial of deck watches, 1897-1898, including:

(i) Notices of forthcoming trial.

(ii) Notes on the trial.

(iii) Results in order of merit.

(iv) 'Abstract of the annual Trial of Deck Watches'.

(v) List of deck watches purchased by the Admiralty.

Correspondence concerning the trial of chronometers, 1898-1899 including:

(i) Notice of forthcoming trial.

(ii) Notes on the trial.

(iii) Results in order of merit.

(iv) List of chronometers purchased by the Admiralty.

(v) Correspondence with F.J. Britten.

(vi) Rough abstract of the annual trial of chronometers.

Correspondence concerning the trial of deck watches, 1898-1899, including:

(i) Notes on the trial.

(ii) Correspondence with F.J. Britten.

(iii) 'Abstract of annual Trial of Deck Watches'.

(iv) List of deck watches purchased by the Admiralty.

(v) Results in order of merit.