This letter is from the Superintendent of Telegraphs to the Director of the Solar Physics Observatory, Kodaikanal, regarding the two-minute time signals. The Deputy Director of Madras Observatory had been requested to send time signals from 15:58 to 16 hours.

This letter is from the Superintendent of Telegraphs to the Deputy Director regarding time signalling.

This letter is from the Superintendent of Telegraphs to the Deputy Director regarding the signalling of time, which will be only for 2 minutes in future.

This is a letter from the superintendent madras division to the director of Kodaikanal and Madras Observatories regarding special attention paid to the matter of time signal and it being sent from Department office of at Madurai to the Observatory.

This letter is from the officer in charge to the Director of Kodaikanal and Madras Observatories regarding cooperation in taking simultaneous magnetic observations, which Dr. L. A. Nauer of the Carnegie Institution of Washington requested.

This letter is from the Director to the Chief Secretary and the Chief Secretary to the Adjutant General in India regarding firing the 8 PM gun at Fort St. George at Madras at Military expense and the General Officer Commanding the 9th Division (Secunderabad).

This is a letter from the Director of Kodaikanal and Madras Observatories to the meteorological reporter to the government of India regarding a new clock for the Madras Observatory. It talks about the type,time and amount required for the making of the clock .

This is a letter from the Director of Kodaikanal and Madras Observatories to the Meteorological Reporter to the Government of India and Director General of Indian Observatories, stating that the midnight telegraphic signal did not reach me until some time after the date on which they were to be sent.

This is a letter from the Director of Kodaikanal and Madras Observatories to the Chief Secretary of the Government of Madras in Ooty regarding arranging to send 4 PM signalling at the new standard time and explaining the difficulties they are facing.

This letter is from the Deputy Director of the Madras Observatory to the Director General of Telegraphs regarding the daily signalling of the time needs correction and to indicate for all telegraphists to signal at the time as sixteen and for all the officers to note the exact time and adjust their clocks accordingly.