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The “Memorandums of the Imperial Academy of Sciences” publish scientific papers from various disciplines and contribute to academic research. Volume 52, containing the “Canon of Eclipses,” was a valuable resource for astronomy and astrophysics enthusiasts who want to study eclipses in the past and future and make predictions about such events. This publication comes from Theodor Ritter von Oppolzer and was published in 1887. The “Canon of Eclipses” was a comprehensive collection of over 13,000 solar and lunar eclipses, including all total solar and penumbral lunar eclipses between ?1208 B.C.E. and 2161 AD. This book provides detailed information on the timing, duration and location of all eclipses mentioned.

The fond contains correspondence related to Signaling Time from 1904 to 1923. It has letters from Thomas Royds, Gilbert T. Walker and the Director General of Telegraphs.

This font is regarding public works in Kodaikanal Observatory

This fond contains items related to the purchase of books and periodicals from Messrs Grindley &co.

This fond contains Correspondences related to the purchase of journals, periodicals and books in Kodaikanal Observatory from 1900 to 1923

This fond contains items related to the telescope purchased by Nawab Zafar Jung of Hyderabad.

This fond contains items related to the Taylor's Star catalogue and Moore's Manual.

This Fond contains documents related to Government of Madras Public Works.

This fond contains items related to the Kodaikanal Observatory Bulletin from 1905 to 1920.

This fond contains items related to the Distribution list of publications of Kodaikanal Observatory