This is a letter from Gilbert T. Walker, Meteorological Reporter to the Government of India and Director General of Indian Observatories, to the Director of the Solar Physics Observatory, Kodaikanal, regarding adopting standard time. An official order has yet to be received, so kindly arrange with the Superintendent of the Madras Telegraph Office to send the time signal at 16:00 hours, new standard time, after July 1.

This is a proposal letter from the revenue department of the Government of Madras regarding the adoption of standard time in India. The proposal discusses fixing an Indian Standard Time for all Indian railways and telegraphs. It will be precisely 5.30 hours ahead of Greenwich Mean Time and 9 minutes ahead of Madras Time. Additionally, the proposal suggests fixing a Burma Standard Time for use on all railways and telegraphs in Burma, which will be precisely 6.30 hours ahead of Greenwich Mean Time and 5 minutes ahead of Rangoon time.

This letter is from T. D. Berrington to the Director regarding the change in the duration of the time signal from 3 to 2 minutes.

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 letter is to the Superintendent of Telegraphs from the Director regarding the condition of affairs Mr Newlands found at Lahore. It is evidence that the officer in charge of the Lahore office and not the time distribution system should be blamed.

This fond contains correspondences related to clocks in Madras and Kodaikanal Observatory

The fond contains correspondence related to Signaling Time from 1904 to 1923. It has letters from Thomas Royds, Gilbert T. Walker and the Director General of Telegraphs.

This letter was sent to Dr Thomas Royds regarding the difference between the Calcutta and Madras times as determined from the 4 PM roll.