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This letter was discussing on financial resource, disposal and acquiring equipment specifically for research on the Sun. Further he mentioned about solar telescope and high dispersion spectrograph, tower telescopes at Mt.Wilson, Potsdam Arcetri and trend of problems in solar research.

The letter is from M. K. Vainu Bappu, Nizamiah Obsevatory to Prof. Raman telling that it is best to plan on acquiring equipment specifically for research on the sun. Adding that the sun plays important role in our general understanding of Astrophysics.

This letter was about conversation between Sastry and Bappu on Gauribidanur array as compared to the Clark Lake Radio Observatory.

This letter was about admiring on the achievements of Sastry for his professional status at the institute.

This letter was about shifting the Lallemand cell to Kodaikanal. He left a separate note to Dr.Sinvhal also in this matter. Dr.Bappu explained its origin and its journey from Paris to Nainital.

This letter was about shifting the Lallemand cell to Kodaikanal that was started out from France as a gift to Dr.Bappu to carry out photoelectric work in the infra-red.

The letter is about Vagiswari's interest on ISI course and the book to be acquired for the library.

This letter was about the performance of the Newton spectrograph, prepatory work and observations on sky.

The letter is from M. R. Ry. A. V. Ramalinga Aiyar, Executive Engineer, Madura Division, to the Director, Kodaikanal Observatory, informing that transverse stiffeners may bend in the middle, and he suggests using horizontal ties and cross braces to stiffen the roof if it wouldn't be hindering instruments. He also said that he would get the transit shed repaired when he goes to Kodaikanal on 27 that month.

The letter is from M. R. Ry. K. N. Aiya Iyer to the Director, Kodaikanal and Madras Observatories, requesting to allow Public Work Overseer Mr K. Subbiah Pillai to enter the land to survey the Observatory area according to the government order to submit a revised description of the boundaries of the Municipality.