The letter is from the Director of Kodaikanal and Madras Observatories to the Surgeon-General, saying that the Meridian line of the Observatory passes through the Spur Tank and hence takes into consideration while making plans for the hospital that no chimney can come near the line.

The letter is from Surgeon-General P. H. Benson to the Director, Kodaikanal and Madras Observatories, informing that the Deputy Director will be consulted when the question of plans for the new General Hospital on Spur Tank is taken up.

The fond contain correspondence regarding the proposal to build a General Hospital on the Spur Tank and 'Air blast' in the mines of Mysore.