Solar instruments

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          Solar instruments

            65 Archival description results for Solar instruments

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            The item is letter from the Meteorological Department to the Director of Kodaikanal & Madras Observatories, containing a copy of letter No.1286 from the Meteorological Reporter to the Government of India and Director General of Indian Observatories to the Director General of Stores, acknowledging Letter No.937 dated 19 Jan 1905 and saying that the Director of Kodaikanal Observatory is unable to send the details of the plates for the spectroheliograph until he has experimented with the plates, the information will be send as soon as it is available.

            India Meteorological Department

            The letter is from the Board of Education, South Kensington, to Charles Michie Smith, informing them about the receipt of 78 spectroheliograms of the sun photographs.

            Smith, Charles Michie

            The letter is from the Secretary, Board of Education, South Kensington, to Charles Michie Smith, stating that the 78 spectroheliograms of the sun photographs have been received.

            Smith, Charles Michie

            The letter is from Thomas Royds, Ag. Director, Kodaikanal and Madras Observatories to the Superintending Engineer, VI circle, Trichinopoly, stating that other works in the observatory can be stopped except the reroofing of spectroheliograph for funds and ask not to postpone unless it's unavoidable.

            Royds, Thomas
            IND-IIA-F213-I21 · Item · 02-10-1916
            Part of Correspondence related to Spectroheliograph's roofing during 1907-1923

            The letter is to Evershed, sending the plan and estimate for signature and return and asking about the roofing. It also talks about a paper by Freundlich in which he abandons the hope of detecting general shifts of lines in the sun due to gravitation. And last, enquiring about his return.

            Evershed, John
            IND-IIA-F213-I34 · Item · 04-01-1921
            Part of Correspondence related to Spectroheliograph's roofing during 1907-1923

            The letter is from The Director General of Observatories to John Evershed, Director Kodaikanal and Madras Observatories referring to the estimate of special repairs, saying that the sum is beyond the power of sanction and it will be difficult to get work done this year unless a strong case as the money is scarce.

            Evershed, John