The item is a letter from Gilbert T. Walker to the Meteorological Reporter to the Government of Madras regarding the observation forms used at Kodaikanal Observatory. The letter inquires why form F and not form A was utilised to record the observation at the Kodaikanal Observatory.

The letter is from Gilbert T Walker, Meteorological reporter of the government of India and Director General of Indian observatories, to the Director General of stores, India office Whitehall, London. The letter is informing that an evershed spectroscopy that recently arrived at the Kodaikanal Observatory is in badly damaged condition and it has been forwarded for necessary repairs.

The letter is from Gilbert T Walker, Meteorological reporter of the government of India and Director General of Indian observatories, to the Director of Solar Physics Observatory, informing that the Government of India is unable to accept the liability to provide grinding stones, stone mortars, and stone mills as part of the fixtures of a house constructed and maintained at public expense.

This letter is from Gilbert T. Walker to the Director of Solar Physics Observatory, Kodaikanal regarding forward of the glass object via post to the Director General of Stores, London enclosing the a copy of a letter

The letter is from Gilbert T Walker, Meteorological Reporter to the Government of India and Director-General of Indian Observatories to the Director, Solar Physics Observatory replying to letter No. 526 of 24 Sep 1904 and returning the plans and estimate of Rs.6300- for new dome of photoheliograph it also say about other modification mentioned in the previous letter.

This is a letter from Gilbert T. Walker, Director general of observatories to the Director Kodaikanal and Madras Observatories sanctioning the plan and estimate amounting to Rs.175 for erecting a verandah in front of the Spectroheliograph building in Kodaikanal Observatory.

The letter from G.T. Walker to the Director of Kodaikanal Observatory enclosing 'the letter is from P. Hawkins to the Director General of Observatories' with reference to the letter from the Department of Revenue and Agriculture informing that the Government of India has sanctioned the proposed expenditure of Rs.260/- on the improvement of 3rd Assistant's quarters at the Kodaikanal Observatories. He also informs about the three estimates submitted to the Madras Government for sanction.

The letter was sent by Gilbert T. Walker in 1906 from Simla to The Director of the Kodaikanal and Madars Observatories and Superintendent of the Meteorological Observatory, Periyakulam. It was about instructing the observers in Kodaikanal Observatory to send monthly test observations of the maximum and minimum thermometers.

The letter is about sanctioning the purchase of sunshine cards from Lawrence Asylum Press at Madras since the supply of sunshine cards from England was delayed by two years.

The item is a letter to the Director of the Kodaikanal and Madars Observatories to let them know that circular No. 5 of 1905 was annexed to the letter.