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In this notice, Walker mentioned that Prism customs refuses drawbacks unless the contents are opened for identification wire instructions.

This fond is related to prisms from Kodaikanal Observatory

This letter was written to the Director, regretting that they cannot undertake to open the box at their risk, and also they are forwarding the case without opening it and are unable to get a drawback of 7/8 of the duty under the circumstances.

This is a letter to His Majesty's under secretary of State for India for a loan of a prism, which is in the charge of the Joint Permanent Eclipse Committee of the Royal Society and the Royal Astronomical Society. This copy of the letter was forwarded to the Director General of Observatories for information.

This letter is from the Officer in Charge to the Director regarding the declination Magnetograph disinflation for overhauling and readjustment. He also asked to send the Barrackpore Magnetograph or any other available fine phosphor bronze fibre.

This letter is from K.D. Naegamvala to Dr G.T. Walker regarding lending two prisms to Kodaikanal, which was asked to be forwarded by passenger train where transit charges would also be considerable.

This letter from J. Evershed to the Director-General of Stores regarding the 30-degree prism ordered for Kodaikanal M6145 Hilger, which should not be sent out for trial as judged by Mr Shackleton, the prism does not meet the requirements of the specification and should be rejected.

This letter is from Gilbert T. Walker to the Secretary to the Government of India asking for assistance from the Government in securing the loan for the Kodaikanal Observatory of a prism, which was in charge of the Joint Permanent Eclipse committee of the Royal Society and the Royal Astronomical Society.

E.C.J. Bond informed through this letter that they don't have any spare magnet system declination magnetograph, so he will send a small magnet and some fine phosphor bronze fibre on the reel.