Correspondence regarding chronometers supplied to the Indian Government:

Correspondence with the India Office and various chronometer-makers concerning the supply, trial and purchase of chronometers and chronograph watches for the Marine Department, Bombay, 1908-1909.

Correspondence with the India Office concerning the trial and purchase of chronometers for the Government Observatory, Colaba, and for the Mathematical Instrument Office, Calcutta, 1908-1910.

Correspondence with the India Office concerning the trial and purchase of chronometers for the Colaba Observatory, 1909-1910.

Correspondence with the India Office concerning the purchase of chronometers for the Marine Department, Bombay, 1912.

Correspondence with the India Office concerning the purchase of chronometers already under trial at the Royal Observatory to replace two old chronometers that were beyond repair, 1913-1914.

Correspondence with the India Office concerning the purchase of a chronometer for the Government College, Rajahmundry, 1913.

Correspondence with the India Office, 1913-1914, concerning the trial and purchase of chronometers for the Mathematical Instrument Office, Calcutta, and for Colaba Observatory, including a special trial in 1914.

Correspondence with the India Office and Victor Kullberg, 1914-1915, concerning a break circuit chronometer made by V. Kullberg, tested at the Royal Observatory and purchased by the Mathematical Instrument Department, Calcutta.

Correspondence with the India Office concerning the trial and purchase of chronometers for the Colaba Observatory, 1915-1916.

Correspondence with the India Office concerning the supply of twelve chronometers for Indian Government steamships, 1915-1916.

Correspondence with the India Office, 1916-1917, concerning the purchase of chronometers for the Colaba Observatory; the Royal Indian Marine; and the Marine Department, Bombay.

Correspondence with the India Office concerning special purchases of chronometers from Sharman D. Neill Ltd, Belfast, 1917.

Correspondence with the India Office concerning the purchase of chronometers for the Royal Indian Marine, 1917-1918.

Internal memoranda concerning the increase in the amount of time and money expended on obtaining, testing and despatching chronometers for the Indian Government, including detailed accounts of the number of chronometers tested, purchased and repaired per annum, 1909.

Correspondence with the India Office concerning repairs to Indian Government chronometers, including estimates and acceptance forms, 1927-1938.

Copies of correspondence with the horologist Thomas Ainsley, 1914, concerning Kullberg 1006, purchased privately by Ainsley but found on inspection to bear the Government mark.