The letter is from Gilbert T. Walker to Charles Michie Smith regarding reproducing spectroheliograms at home. It states that a sanction would be required from the government and suggests including as many firms as possible with the approximate cost.

The letter is from Gilbert T. Walker, meteorological reporter to the government of India, to Michie Smith, Director Solar Physics Observatory, Kodaikanal, regarding his visit to Hyderabad to check the telescope purchased by Nawab Zafar Jung.

The letter contains quoted text of Gilbert T. Walker to Mr.Glacy at Hyderabad stating the usefulness of the lenses that were lend to Kodaikanal Observatory in 1915 for employment in Kashmir.

This letter is from Gilbert T. Walker to John Evershed regarding the loan and overhauling of a Chronometer if it is impossible.

This letter was sent to John Evershed regarding the estimates for regrinding and figuring the concave back surface of the 12-inch Hyderabad lens to Mr Hydari, Hyderabad (Deccan). The cost bill should be sent directly to the Director, Nizamiah Observatory, Hyderabad, for payment.

This a letter of enquiry regarding sending of lenses located at Nizamiah Observatory could be sent to Evershed. It also encloses a copy of Pocock's letter where description about the lenses are mentioned.

The letter is from Gilbert T. Walker, meteorological reporter to the government of India, to J. Wilson, Secretary to the Government of India, regarding an invitation to visit the residency at Hyderabad to pronounce the merits of the new telescope. It also asks, due to lack of time, if it will be possible for Michie Smith to check the telescopes.

The letter is from Gilbert T. Walker to D. W. K. Barr informing that Michie Smith will examine the new telescope as soon as possible and his opinions are fully reliable.

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.

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.