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Manuscripts
- M.K.V.Bappu Manuscripts
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Correspondence
- Evershed Correspondence
- M.K.V.Bappu Correspondence
- Papers on Indian Observatories 1890-1935 (Received from RGO 7/158)
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Annual Reports
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- Annual Report of the Kodaikanal Observatory for the year 1922 - 1955
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- Annual Report of the Kodaikanal Observatory for the year 1956 - 1969
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- Annual Report of the Indian Institute of Astrophysics for the year 1971 - 1982
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- Annual Report of the Indian Institute of Astrophysics for the year 1982 - 1987
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- Annual Report of the Indian Institute of Astrophysics for the year 1987 - 1992
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- Annual Report of the Indian Institute of Astrophysics for the year 1992 - 2000
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- Annual Report of the Indian Institute of Astrophysics for the year 2000 - 2009
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Photographs
- N.R. Pogson Photographs
- Map
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Paintings & Sketches
- Painting of the Kodaikanal Observatory by an unknown artist, 1908
- Uranus as painted by Dr.M.K.V. Bappu, 1979
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Observational Data
- Pogson's Observational Logbook (60 Vols.)
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Instruments

Photometer (Designed by Dr.Hartmann, 1912)

Drum Chronograph (Designed by Eicheus & Hadly, 1872)

The Transit Circle (Designed by Sir George Airy, 1850)

Theodolite (Probably, 1850)

The Cambridge Spectroheliograph

Grating and lens of the Auto-collimating spectroheliograph attached to the side of the Cambridge spectroheliograph

Transit Circle, 1858

6inch Equatorial, 1850

8inch Equatorial, 1866

Victor Kaullberg

Shelton Clock

Siderostat
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Photographic Plates
- Comet Halley(44)
- Comet West(21)
- Comet Ikeya - Seki(1)
- Photograph of Spectra of Comet Kohoutek(3)
- Comet Brooks(1)
- CK Spectrum(25)
- Eclipse Plates(4)
- Comet Wilson(29)
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Published Catalogues & Monographs
- Taylor Catalogue