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This is a letter from chief engineer P.W.D. To the superintending engineer VI circle informing that their office did not receive the plans and estimates for the construction of the engine house within the scheme of electrical installations at Kodaikanal Observatory.

This is a letter from C.A.Smith Secretary of government to Superintendent engineer sixth circle informing that a grant of Rs.10000 has been sanctioned for the year 1913-1914 for a new building to be built in Kodaikanal for the purpose of storing astronomical instrument.

The letter is from C. J. Ussher, Superintending Engineer VI th circle, Trichinopoly, to the Director of Kodaikanal and Madras Observatories forwarding the estimate for constructing the Photo-heliograph building with a dark room and a porch at Kodaikanal asking for countersignature and return.

The letter is from C. J. Ussher, Superintending Engineer VI th circle, Trichinopoly, to the Director of Kodaikanal and Madras Observatories. It is a letter forwarding the fresh plans with an estimate amounting to Rs.14000 for the construction of photo spectroheliograph buildings at Kodaikanal, which has to be countersigned and then submitted to the government for sanction.

The letter is from C. J. Ussher, Superintending Engineer VI th circle, Trichinopoly, to the director of Kodaikanal and Madras observatories. The letter is enclosed with two estimates, namely estimates for the construction of the glazed verandah by the side of the spectrograph and the construction of a porch in front of the large doorway of the laboratory room. He also asks whether the porch is necessary.

The letter is from C. Mildred, Superintending Engineer, VI Circle, Trichinopoly, to The Director of Kodaikanal & Madras Observatories with reference to The Director's letter to the Sub-Divisional Officer. He has sent three estimates, of which 2 to be returned countersigned and one is to be forwarded to the Government for sanction. The estimates are for the verandah in front of the spectroheliograph building and repairs to the main building.

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.

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.

This letter informs that C. V. Raman received M. K. Vainu Bappu's letter of the 8th instant with much pleasure.

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.