The letter is from Gilbert T. Walker to Charles Michie Smith discussing about the enlargement of photos, the orientation of spectroheliograph, scientific instruments, and the sending of 'sun pictures' plates to Christie.

The letter is from Gilbert T Walker, Meteorological reporter of the government of India and Director General of Indian observatories, to Charles Michie Smith, Director of Solar Physics Observatory, discussing putting new piers, suggesting that the widening of doors may require big structural change. Hence, it might be given up. And about spectrum photography with the spectroheliograph.

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 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.

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.

The letter was written by Gilbert T. Walker to the Director of Kodaikanal and Madras Observatories, approving the estimates of Rs.1075 and Rs.340 for the new pump and alterations in the pump house. He also mentions that the Local Government will allot the funds from the provision made in their budget for Imperial Works.

The letter is from John Evershed to the Superintending Engineer VI circle, Trichinopoly, forwarding the countersigned estimates and requesting to start works as soon as practicable.

This letter was about the extracts from two letters from Turner & Newall letters concerning the heating of rooms and also informing that he would meet C. M. Smith in January at Kodaikanal.

The letter is from Gilbert T. Walker to Charles Michie Smith asking about the dismissal of the Periyakulam as the performance of the observer was unsatisfactory, like tampering with the records. He asks to reply in a short wire by telegraph.

This item is a Letter from Gilbert T. Walker, meteorological reporter to the Government of India and Director-General of Indian Observatories to the Director of Kodaikanal and Madras Observatories regarding sanction for the plans and estimates.