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Madras and Kodaikanal Reports for the years 1898-1921, except 1899-1900 annual report.

This fond is related to prisms from Kodaikanal Observatory

This item was an instrument used to measure time. A wire rope is wound around a drum which unwinds in a fixed time under gravity. A maker which moves horizontally, marks out the time elapsed on a linear scale. This instrument was used before the invention of the pendulum clock for Astronomical measurements at the Madras Observatory.

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 documents related to Government of Madras Public Works.

This fond contains items from the proceedings of the Madras Government

This fond is related to Nizamiah Observatory

The letter is about John Evershed and some of Kashmir Observation

The letter is about John Evershed and Kodaikanal to Kashmir Expedition