The letter is from W.B. Gorbon to different departments regarding the revision of the charge on account of upkeep of electrical installations, stating that with effect from 1st April 1912, the charge for repairs shall be assessed at the rate of 5 percent per annum on the capital cost of installations.

This Fond is related to Magnetic Observatory of Kodaikanal

The fonds contain letters regarding Madras and Kodaikanal Observatory Grounds.

Correspondence regarding the details of the Specification of turning Lathe

The letter is about John Evershed and Kodaikanal to Kashmir Expedition

This fond contains items related to the bills and sanctions for the purchase of books and periodicals.

This fond contains correspondences related to buildings in Kodaikanal

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

This font is regarding public works in Kodaikanal Observatory

This item was about the visit of the Prof.S.Chandrasekher and Mrs.Chandrasekher in 1981. Dr.M.K.Vainu Bappu received them and visited the campus which was under the construction at that time.