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          Astrophysics

            1069 Archival description results for Astrophysics

            13 results directly related Exclude narrower terms
            IND-IIA-F210-I15 · Item · 10-05-1909
            Part of Correspondences related to Signaling Time from the year 1904 to 1923

            The Superintendent of Telegraphs, Central Telegraph Office, Madras, has written to the Deputy Director, Madras Observatory, Madras, regarding the inconvenience faced by the Alipore Observatory in operating without regular time signals at 16 hours on Sundays. While there are no objections to discontinuing the signals elsewhere, it has been decided that they shall not be sent to any office on Sundays, starting from June 6, 1909, except to the Alipore Observatory.

            Telegraph Department

            The letter is from the superintendent of the trigonometrical survey to the Director of Kodaikanal and Madras Observatories, forwarding proofs of the results of the reduction of the sun charts.

            Evershed, John

            This is the copy submitted to the Chief Engineer, Public Works Department, for information with reference to his memorandum about the estimate for the writer's quarters and the funds required for the year 1904-05 amounting to 10,950.Along with a copy of a letter from Charles. P. Butler, Ag: Director, Kodaikanal & Madras Observatories to Executive Engineer Madura regarding some construction needs at the Solar Physics Observatory, like a permanent building to hold the 4-inch photoheliograph, a glazed verandah for keeping the north-western side of the observatory dry, an open verandah for the Bookbinder's shed and quarters for the writer of the observatory.

            Madras Government
            IND-IIA-F006-I01 · Item · 03-02-1916
            Part of Official files related to A. A. Narayana Ayyar

            The letter was about the zodiacal light observation in 1916 done by A. A. Narayana Ayyar from Solar Physics Observatory, Kodaikanal. Thomas Royds sent the letter to Maunder in 1916. A. A Narayana Ayyar was the third assistant of Kodaikanal Observatory during that time.

            Narayana Ayyar, A. A.