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          Astrophysics

            1069 Archival description results for Astrophysics

            13 results directly related Exclude narrower terms

            This was a reply letter to W. Huggings kind letter of Sept.8th saying that it is very encouraging to know that our work here is appreciated by you. Then he wrote about radial motion in Sunspots, suggestion of Huggings in 1885, inclination of spectrum and finally climate conditions of Kodaikanal.

            Evershed, John
            IND-IIA-F213-I07 · Item · 21-09-1907
            Part of Correspondence related to Spectroheliograph's roofing during 1907-1923

            The letter is from John Evershed, Director, Kodaikanal and Madras Observatories to The General Superintendent, Public Works Workshops, Madras replying to his letter of 17-09-1907 stating that the distance between the rails of the new sliding roof of that observatory is 14ft. 3 3/4 in. measured from centre to centre of rails.

            Evershed, John
            IND-IIA-F003-I25 · Item · 27-03-1911
            Part of Observation notes on earthquake records by Milne Seismograph

            This letter is about informing that there has not been any earthquake recorded in or near Madras for many months and states that there cannot have been one strong enough to crack building

            Evershed, John
            IND-IIA-F003-I21 · Item · 16-04-1912
            Part of Observation notes on earthquake records by Milne Seismograph

            This letter is about the information of receiving a requisition from the Director, The Observatory, Messina for a copy of the Turkestan earthquake

            Evershed, John
            IND-IIA-F213-I22 · Item · 21-02-1916
            Part of Correspondence related to Spectroheliograph's roofing during 1907-1923

            The letter is from John Evershed, Director, Kodaikanal and Madras Observatories, to Dr. Royd's returning plan and estimate for reroofing the spectroheliograph building. Also saying about the roofing and steps to be done after sanction. He at last says Sitaraman and Krishna will return, & send the 6-inch telescope to Kodai, and his application for an extension till July may be approved but not yet sanctioned.

            Evershed, John
            IND-IIA-F213-I02 · Item · 07-04-1907
            Part of Correspondence related to Spectroheliograph's roofing during 1907-1923

            The letter is from John Evershed, Director, Kodaikanal and Madras Observatories, to The Executive Engineer regarding the proposed gearing for the sliding roof, suggesting having a handle inside the room and providing a sketch of rack arrangement, sketch of wire-rope arrangement and sketch plan of the sliding roof with proposals for tieing the pillars with horizontal braces.

            Evershed, John