The letter is from Sydney Preston, secretary to the Government of India Department of Revenue Agriculture, to the secretary to the Government of Madras, Public Works Department. It informs about the sanction of the plans and estimates amounting to Rs.6380 for constructing a photoheliograph room with a dome at the Kodaikanal Observatory.

The letter is from Surgeon-General P. H. Benson to the Director, Kodaikanal and Madras Observatories, informing that the Deputy Director will be consulted when the question of plans for the new General Hospital on Spur Tank is taken up.

The letter is from the Superintending Engineer to the Director of Kodaikanal and Madras Observatories. It contains an estimate to be approved, countersigned, and submitted to the government for sanction. The estimate amounts to Rs.13600 for the construction of a building to house photospectroheliograph in Kodaikanal. Along with the estimates, the plans have also been forwarded.

The letter is from C. B. Ray to the Director of the Observatory requesting to countersign, the attached estimate for the repairs to the verandah of the Writer's quarters, so as to submit to the Executive Engineer to obtain sanction

Letter from Sub Division Officer to Director of Kodaikanal Observatory regarding Brass Memorial tablet and requesting to acknowledge its receipt.

Letter from Chief Auditor, South Indian Railway Co., Ltd. to Thomas Royds, Director, Kodaikanal & Madras Observatories on the remittance of money that was due against the consignments of Kodaikanal Observatory Office. Each category's specific payment amount is also noted individually.

This letter was about sending the copy of the seismogram obtained during Valparaiso earthquake and replying to the Professor Gerland's questions.

This letter is about sending a copy of the record of the Seismic disturbances obtained from the seismograph in use at the Alipore Observatory for the half year from 1st January to 30th June 1903 together with photocopies.

The letter was a reply to the letter of the 6th of December 1936 and the reprint sent by John Evershed. He enclosed the letter of A. S. Eddington and replying to it. He explained his point of view on A. S. Eddington objection on his formula for the spectral shift of light.

The letter was a appreciation for John Evershed discovery of spectral shift of light from the edge of the solar disc is really double of Einsteins's value. He mentioned about failure of Einstein's relativity. Further he provided 6 points on Newtonian principles, equation for the motion of a light, spectral shift of light.