The letter is to Sir Frank Dyson regarding a 16-inch coelostat that has been despatched to the agent for government consignments.

This letter was written to Simla from Kodaikanal confirming receiving all the instruments from Poona, including heavy mountings. Here, it's mentioned that for sanction, the total amount had been paid for cartage and storage and a small balance of the railway freight. One enclosed statement about expenditure regarding Poona instruments since 1st April is also included.

Letter to Shackleton to reorder a meniscus lens

This letter to Mr McDowell states Dr Pfund is now ruling gratings up to 4.5 in, and his diamond points do not last much longer than that. Hence, they are searching for others to rule out some big gratings from the beginning of next month. And this letter was copied to the Director General of Stores to do something needful about this problem, and they mentioned in their last reply letter due to some problem it was impossible to give delivery on time, but everything under their power was done, however, to furnish the grating and the first 6-inch plane ruled of first quality would be shipped.

This is a letter to Mr Bhaskaran from John Ebvershed about the receipt of the 12-inch lens after figuring out the back surface of the cookie, which was tested and seemed entirely satisfactory.

The letter is from The Director General of Observatories to John Evershed, Director Kodaikanal and Madras Observatories referring to the estimate of special repairs, saying that the sum is beyond the power of sanction and it will be difficult to get work done this year unless a strong case as the money is scarce.

This letter was written to Gilbert Thomas Walker, the Director General of Observatories from Secretary to Government, Bombay Castle, Educational Department, in reply to the letter regarding removing the revolving dome of Poona Observatory to Kodaikanal. In this letter, it was stated a plan and estimate for another roof for the observatory building.

This is a letter to Gilbert Thomas Walker in regards of time transmission.It informs about the time transmission signals which are received on a relay and further details surrounding it.

This letter was sent to Gilbert T. Walker if the object glass lens can be lent, he would use it. He also mentioned he requires a substitute for the 12-inch photovisual lens feeding the spectroheliograph.

The letter is to Evershed, sending the plan and estimate for signature and return and asking about the roofing. It also talks about a paper by Freundlich in which he abandons the hope of detecting general shifts of lines in the sun due to gravitation. And last, enquiring about his return.