This letter was about the questions answerd by C. M. Smith on enlarging the camera, sending Lockyer and Evershed's coming.

The letter is from Charles Michie Smith, Director, Kodaikanal & Madras Observatories, to the Chief Engineer to Government, Chepauk, regarding the erection of a new dome in Kodaikanal Observatory as the existing one was erected 4o years ago and has become hard to use. It says the plans and estimates by the consulting Architect are enclosed.

The letter is from Captain J.O. C. Phelan, Officer in charge of the VI Circle. to The Director of Observatories, Madras and Kodaikanal, forwarding the revised estimate of Rs.3540/- for the reroofing of the spectroheliograph building for his countersignature and transmission to The Director General of observatories for sanction.

E.C.J. Bond informed through this letter that they don't have any spare magnet system declination magnetograph, so he will send a small magnet and some fine phosphor bronze fibre on the reel.

This letter is from Cambridge Scientific Instrument Co. Ltd. to The Director General of Stores regarding the dividing engine. If returned to them, they will clean it thoroughly free of cost, although they will not be responsible for either the carriage.

This letter was asking question on using telescope mirrors made of cast aluminium or other light metal, which could be cheap and easy to make and also what kind and size of grating, its makers and price to building a solar observatory.

The letter is from C. V. Ramam, Raman Research Institute to M. K. Vainu Bappu, Nizamiah Observatory asking about using telescope mirrors made of cast aluminium and about diffraction grating as a preliminary to building solar observatory.

The letter is from C. V. Ramam, Raman Research Institute to M. K. Vainu Bappu, Nizamiah Observatory acknowledging his letter on 26 March 1954 and saying he has a suitable location for solar physics observatory on the institution grounds. The letter also ask to let know presen address of Zeiss and Cox.

This letter was to inform that C. V. Raman was greatly obliged for M. K. Vainu Bappu's letter of the 8th July 1954. He got one of the Bausch and Lomb catalogues and was very favourably impressed by it and intend to go ahead and purchase one or more of these gratings for his work.

The letter is from C. T. Mullinga, Superintending Engineer, Sixth Circle, to The Director of Observatory, Kodaikanal, forwarding an estimate amounting to Rs.545/- for special repairs to the roof of the spectroheliograph building for his countersignature.