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The letter is from Astronomer Royal, Royal Observatory, to The Director of Kodaikanal Observatory, acknowledging with thanks the receipt of the seven Sun photographs.

This letter was about the requesting to send the photographs of the Sun for some dates in 1905.

The letter was an enquiry with reference to the Photoheliograph which was received on loan from Greenwich Observatory, whether to return it or it may be completely dismantled and the parts used for other purposes in our research work.

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 Astronomer Royal, Royal Observatory, Greenwich, London, to The Director, Kodaikanal Observatory, Madras, India, requesting to send solar photographs of the mentioned dates as the photographs taken from there are deficient.

The letter was mentioning about enclosed letter from the Director of the Kodaikanal Observatory regarding the disposal of the Photoheliograph on loan from Greenwitch Observatory

This letter was about the list of photographs of Sun taken on different dates and at particular times mentioned.