This letter was about spectroheliograms that Saxenas sent to him. He suggested to improve on this by another factor of 200%. He explains his idea to work on spectroheliogram.

The letter is from John Evershed, Director, Kodaikanal and Madras Observatories, to The Executive Engineer regarding the proposed gearing for the sliding roof, suggesting having a handle inside the room and providing a sketch of rack arrangement, sketch of wire-rope arrangement and sketch plan of the sliding roof with proposals for tieing the pillars with horizontal braces.

The letter is from John Evershed, Director, Kodaikanal and Madras Observatories, to Dr. Royd's returning plan and estimate for reroofing the spectroheliograph building. Also saying about the roofing and steps to be done after sanction. He at last says Sitaraman and Krishna will return, & send the 6-inch telescope to Kodai, and his application for an extension till July may be approved but not yet sanctioned.

The letter is from John Evershed, Director, Kodaikanal and Madras Observatories to The General Superintendent, Public Works Workshops, Madras replying to his letter of 17-09-1907 stating that the distance between the rails of the new sliding roof of that observatory is 14ft. 3 3/4 in. measured from centre to centre of rails.

The letter was a reply to Turner's letter, that discusses on the spectroheliograph observations

The letter is from John Evershed to The Supervisor, P.W.D. Kodaikanal said that no work was done by the workers who came to paint the roof of the spectroheliograph building and asked him not to delay it more.

The letter is from John Evershed to the Director-General of Observatories, Simla, enclosing the specifications for the mirror for the new spectroheliograph. It states that the H.Grubb, Cooke and Hilger quote £15 for a mirror of its size.

The letter is from John Evershed to The Director-General of Observatories forwarding a plan and revised estimate amounting to Rs.3540 requesting approval and return of the papers.

The letter is from John Evershed to The Director General of Observatories, Simla, informing that he agreed to put off special repairs to the roof at a more favorable time as the price of materials is high and asked to do minor repairs that were necessary.

The letter is from John Evershed to The Director General of Observatories, Simla, stating that expenditure amounting to Rs.2500/- on reroofing the spectroheliograph building may be incurred in the year 1917-18.