The letter is to Vipan regarding the roof of the spectroheliograph building, asking if the department could prepare an estimate for double corrugated sheeting and also giving a diagram of how the sheets are to be kept to allow free exit to hot air.

The letter is from Vipan, Sub-Division Officer, Kodaikanal, to The Director, The Observatory, Kodaikanal, returning with thanks for the paper regarding "Armco" iron sheeting.

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.

The letter is from Captain J.O. C. Phelan, Officer in charge of the VI Circle. to The Director of Observatories, Madras and Kodaikanal, forwarding the revised estimate of Rs.3540/- for the reroofing of the spectroheliograph building for his countersignature and transmission to The Director General of observatories for sanction.

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 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.

The letter is from A. Vipin to The Superintending Engineer regarding the issue of funds reduced to Rs. 2500/- while the grant at first was Rs. 5000/-. Asking to provide an extra grant as the materials for roofing have already been brought, and those will deteriorate if kept for long.

The letter is from the Director General of Observatories to Charles Michie Smith regarding disturbances in the mines of Mysore, which they term as 'Air blast, enclosing a list of when it happened in August and September, asking to see if any earthquakes were recorded in Kodaikanal and send the remarks.

The fond contain correspondence regarding the Astronomical Observatory at Lahore. The letter is from the Director of Kodaikanal & Madras Observatories to the Registrar, Panjab University, Lahore, giving suggestions for the proposed Astronomical Observatory to be built in Lahore. The letter has suggestions about transit instruments and a 7-inch equatorial telescope. A sketch of the roofing complex is also attached.

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.