The fonds contain correspondence regarding various instruments and their reading in the Kodaikanal Observatory
Kodaikanal Solar ObservatoryThe letter is about John Evershed and Kodaikanal to Kashmir Expedition
Evershed, JohnThe letter is about John Evershed and some of Kashmir Observation
Evershed, JohnThis fond is related to Nizamiah Observatory
Nizamiah ObservatoryThis fond contains items from the proceedings of the Madras Government
Government of MadrasThis Fond contains documents related to Government of Madras Public Works.
Government of MadrasThis font is regarding public works in Kodaikanal Observatory
Kodaikanal Solar ObservatoryThe 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.
Royds, ThomasThis 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.
EicheusThis fond is related to prisms from Kodaikanal Observatory
Kodaikanal Solar Observatory