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 University Observatory, Oxford, to John Evershed regarding areas and numbers of prominences projected on the disc for the half year in Kodaikanal Bulletin and requesting the daily result.

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.

This letter is regarding enclosing of a copy of the trace of the Milne Seismograph for the Turkestan Earthquake obstained at the Solar Physics Observatory

The letter is from Thomas Royds, assistant Director of Kodaikanal Observatories, to Gilbert T. Walker regarding the printing of Bulletin. It states that the recent half-tone block printed Madras experiments were unsuccessful and could have been more helpful. The blocks and printing should be done in England.

The letter is from Thomas Royds, assistant Director of Kodaikanal Observatories, to the editors of the astrophysical journal regarding a paper. It states that the manuscript of the paper on "The different character of spectrum lines belonging to the same series for its publication in the astrophysical journal.

The letter is from Thomas Royds, Ag. Director, Kodaikanal and Madras Observatories to the Superintending Engineer, VI circle, Trichinopoly, stating that other works in the observatory can be stopped except the reroofing of spectroheliograph for funds and ask not to postpone unless it's unavoidable.

The letter is from Thomas Royds, Ag. Director, Kodaikanal and Madras Observatories to the Superintending Engineer, VI circle, Trichinopoly, in continuation of letter no. Three hundred fifty-three asked when the pump installation would start and requested completion by the next dry season.

The letter certifies that P. R. Chidambara Ayer has been working in Solar Physics Observatory for the last ten years under the supervision of Thomas Royds. It mentioned that certificates related to education and work experience and copies of the thesis on " The distribution of Sun-spot in longitude" were also attached with the letter. It is an experience certificate for approval for submitting P. R. Chidambara Ayer's thesis.

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.