This letter was sent to John Evershed from Gilbert T. Walker to correct an error in the Nephoscope by observing a divided scalereflected in the glass.

This letter was sent to John Evershed from F. W. Dyson, asking to forward the solar photographs for some specific dates.

This letter was sent to John Evershed for a supply of photographic plates for the years 1915- 1916 on demand. Also, it's replied that Imperial lantern plates may be substituted for deficiency. Three dozen 1/1 seed processes were intended for Kashmir.

This letter was sent to John Evershed, enclosing the velocities of the earth relative to the sun and a photograph of the Cu lines at 4480 and 4509. It is mentioned that the cost of the plates illustrating the bulletin was £3.7.9(500 copies), but the details had been sent to the Accountant General.

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 sent to J. L. Simonsen regarding the joining of Mr Narayana Aiyar, and The Director of Kodaikanal And Madras Observatories got some instructions from Dr Walker that some Meteorological tabulation works in future need to be done.

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 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.

The letter is to Gilbert T. Walker regarding 'Air blast'.

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.