Showing 6 results

This letter was about the reply to the earlier circular, stating that the date of reading is given back of the sheet, thermograph cage and the number of dry and wet bulb thermometers.

This letter from J. Patterson to the Director asking a favour with a detailed explanation of the process of photocopying of the Seismograph

This is a letter from J. Patterson, meteorological reporter to the Government of India to the Director of Solar Physical observatory Kodaikanal regarding a petition made against an observer and the reasons surrounding it

The letter is from J. Patterson to Charles Michie Smith regarding the request to provide Rs. 30 for glazed shutters for a dome. He asks to tell the requirements to the executive engineer so that necessary alterations can be made.

This letter concerns, Chree asking about the mean values of the magnetic elements at our stations in India.

This letter was about the Sun negatives being sent through mail except for the day on 26th June, which was cloudy.