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          Astrophysics

            1069 Archival description results for Astrophysics

            13 results directly related Exclude narrower terms
            Letter from Director, Kodaikanal and Madras Observatories to the Executive Engineer, Madura, about making the roof watertight
            IND-IIA-F213-I10 · Item · 23-02-1909
            Part of Correspondence related to Spectroheliograph's roofing during 1907-1923

            The letter is from the Director, Kodaikanal & Madras Observatories to the Executive Engineer, Madura, mentioning Mr R. Savarinathan, about making a watertight roof and also not signing the estimate as it does not provide for working without interfering in the use of instruments.

             Smith, Charles Michie
            Letter from Director-General of Observatories to John Evershed asking for opinion on the plan of transit room on Sion hill
            IND-IIA-F207-I25 · Item · 20-02-1920
            Part of Correspondence related to different construction works at solar physics observatory during 1903-1923

            The letter is from Gilbert T. Walker to the Director Kodaikanal informing about enclosing a copy from the Finance Department sanctioning thr transfer of the observer's house at Periyakulam together with its site to the Govt. of Madras free of cost.

             Kodaikanal Solar Observatory
            Letter from E. C. J. Bond to John Evershed regarding the discrepancies magnetic forms
            IND-IIA-F004-I05 · Item · 01-10-1920
            Part of Correspondence of E. C. J Bond and the Director of Kodaikanal Observatory

            The letter was written by E. C. J. Bond who was the officer in-charge No. 18 party (Magnetic), Survey of India to the Director of the Madras and Kodaiknal Observatories, Kodaikanal through the Superintendent of the Trignometrical Survey. Through this document, the author was inquiring how the tabulated data in the original and duplicate magnetic forms taken from Kodaikanal and delivered to the Survey of India office differed. Also provided are a few instructions for the observers. Letter was sent from Mussoorie in 1920.

             Bond, E. C. J.
            Letter from E. C. J. Bond to John Evershed regarding the magnetograph sent
            IND-IIA-F004-I02 · Item · 09-04-1919
            Part of Correspondence of E. C. J Bond and the Director of Kodaikanal Observatory

            The letter was written by E. C. J. Bond who was the officer in-charge No. 18 party (Magnetic), Survey of India to the Director of the Madras and Kodaiknal Observatories, Kodaikanal. In this letter, he claims to have sent a registered parcel post to Kodaikanal that contained three strips of fine phosphor bronze fibre and four incredibly fine tungsten wires that could be used to suspend the magnetograph's declination. The letter was written in Dehra Dun in 1919.

             Bond, E. C. J.
            Letter from E. C. J. Bond to John Evershed suggesting the means for determining the accurate moment value of the observatory magnet
            IND-IIA-F004-I04 · Item · 27-07-1920
            Part of Correspondence of E. C. J Bond and the Director of Kodaikanal Observatory

            The letter was written by E. C. J. Bond, the officer in charge No. 18 party (Magnetic), Survey of India, to the Director of the Madras and Kodaikanal Observatories, Kodaikanal, Via the Superintendent of the Trigonometrical Survey. Through this letter, E. C. J. Bond was conveying three suggestions to the magnetic observers to raise the calibre of the observatory magnet.

             Bond, E. C. J.
            Letter from E. C. J. Bond to the Director of Kodaikanal and Madras Observatories regarding earth inductor and galvanometer
            IND-IIA-F217-I18 · Item · 06-06-1919
            Part of Correspondence regarding meteorology during 1898 to 1925

            The letter is from E. C. J. Bond to the Director of Kodaikanal and Madras Observatories informing that the earth inductor and galvanometer have been despatched by the insured parcel and asking for arrangements to be made for the agent to collect the parcel at the railway station and to be forwarded.

             Bond, E. C. J.
            Letter from E. C. J. Bond to the Director of Kodaikanal and Madras Observatories regarding earth inductor and galvanometer to be sent to England
            IND-IIA-F217-I19 · Item · 17-08-1919
            Part of Correspondence regarding meteorology during 1898 to 1925

            The letter is from E. C. J. Bond to the Director of Kodaikanal and Madras Observatories requesting that an earth inductor and galvanometer be sent to England as soon as possible as new patterns for new ones they are indenting for.

             Bond, E. C. J.