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

This a letter of enquiry regarding sending of lenses located at Nizamiah Observatory could be sent to Evershed. It also encloses a copy of Pocock's letter where description about the lenses are mentioned.

This letter was sent to John Evershed regarding the estimates for regrinding and figuring the concave back surface of the 12-inch Hyderabad lens to Mr Hydari, Hyderabad (Deccan). The cost bill should be sent directly to the Director, Nizamiah Observatory, Hyderabad, for payment.

The letter contains quoted text of Gilbert T. Walker to Mr.Glacy at Hyderabad stating the usefulness of the lenses that were lend to Kodaikanal Observatory in 1915 for employment in Kashmir.

The letter was an instruction for using the repaired lens and asking to send a complete telescope to compare and make the repairing process simple.

This letter is from John Evershed to Mr Bhaskaran about the instructions to pack the 15-inch lens in a large case. He also mentioned that he had put castor oil between the component lenses to keep them perfectly adjusted and saved about 8 percent of light otherwise lost by reflection.

This letter contains information about testing of the 15 inch lens on stars etc and finding something wrong in color correction.

This letter was reply to letter dated Oct. 29 about lenses. He was requesting 15-inch, 12-inch, 4-inch and a lens of about 7 ft. focus lenses to be send from Nizamaiah Observatory to Kodaikanal Road Station mentioning the purposes for which it requires. In addition the item has the telegram messages written by Evershed to Pocock and vice versa.

The letter was informing about Dr.Walker has written to the Minister of Finance asking about some spare lenses that they have with a view in borrowing them for use in Kasmir. It informs Evershed the type of lens that could be borrowed till the time.

Letter from the Director of Kodaikanal and Madras Observatories to the Director General of Observatories regarding sending the lens details via mail. The specifications of the new lens are enclosed in this letter.