This letter is from William Butler enclosing a copy of a letter from Cambridge Instrument Company relative to the photoelectron-heliograph undersupply for Kodaikanal Observatory and the supply of a slit-making machine.

This letter is from W. L. Strange to the secretary to the Govt. of Madras, Public Works Department, regarding the sanction of the complete abstract estimates aggregating Rs. 1,26,000 for all works related to Kodaikanal Observatory buildings.

This item is a letter from W.J.Dunlop, Chairman of Municipal Council Kodaikanal to Charles Michie Smith Municipal Councillor Kodaikanal enclosing a letter from the executive engineer Madura in regards to the assessment of the observatory building.

This is a letter from V.H. Vader to the Director of the government Astronomical Observatory Kodaikanal regarding some solutions for astronomical problems. There is a set of questions attached to this letter for the above-mentioned problems, along with an observation sheet.

The letter is from the Under Secretary to the Government of India regarding the application for the additional allotment under Imperial Civil Works for the Madura Division for Quarters, Building to house photospectroheliograph, Porch and other repairs. The letter says the first three will be forwarded to the government for sanction, and money is allowed for Madura Division under Imperial Civil Buildings repairs.

The letter was a reply of Thomas Royds to memorandum No. 1541 D/20-1 dated 11th June 1920 from the Revenue Department, Government of Madras. Thomas Royds discusses in this letter the challenges involved in creating a Kodaikanal and Madras Observatories report in the prescribed format for any period other than the calendar year.

Letter from Thomas Royds to Director General of Observatories requesting government order referred to the letter received from Executive Engineer, Madura Special Division.

The letter served as a response to The Director General of Observatories's inquiry, stating that he had not received any orders from outside.

The letter is from Thomas Royds to the Accountant General Madras regarding the Contingent bill for books and periodicals purchased. It requests a bill of exchange in favour of Messrs Grindley and Co.

The letter is from Thomas Royds to the accountant general Madras regarding bills for purchasing books and periodicals. It is sent along with a contingent bill.