This fond contains letters and documents related to the meteorology in Kodaikanal during 1898 to 1925

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

The letter is from Adam Hilger Ltd to the Director-General of Observatories Simla regarding various optical parts despatched to Kodaikanal by the order from John Evershed.

The letter is from Adam Hilger Ltd to the Director-General of Observatories Simla, informing that the parcel post has despatched the optical parts ordered.

The letter was an acknowledgement from the Head of the observatory to John Evershed for arranging lenses properly for observation.

This is a letter from Bhaskaran to John Evershed regarding a 12-inch lens, which had been returned and is performing satisfactorily.

This letter was to inform that C. V. Raman was greatly obliged for M. K. Vainu Bappu's letter of the 8th July 1954. He got one of the Bausch and Lomb catalogues and was very favourably impressed by it and intend to go ahead and purchase one or more of these gratings for his work.

The letter is from C. V. Ramam, Raman Research Institute to M. K. Vainu Bappu, Nizamiah Observatory asking about using telescope mirrors made of cast aluminium and about diffraction grating as a preliminary to building solar observatory.

This letter was asking question on using telescope mirrors made of cast aluminium or other light metal, which could be cheap and easy to make and also what kind and size of grating, its makers and price to building a solar observatory.

This letter was about arriving of grating and considered not perfect but overall, it's good.