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This is a letter for Director-General of Observatories from India Meteorological Department accompanying an invoice Rs 6/13/- from the mathematical Instrument Office, Calcutta on account of the morse papers for chronograph supplied to the Magnetic Observer

Meteorological Department
IND-IIA-F004-I06 · Item · 22-04-1920
Part of Correspondence of E. C. J Bond and the Director of Kodaikanal Observatory

The letter was written by E. C. J. Bond, who was the officer in charge No. 18 party (Magnetic), Survey of India, to the Director of the Madras and Kodaikanal Observatories, Kodaikanal through the Superintendent of the Trigonometrical Survey. This letter lists the dates that the observation result was missing, together with the declination traces, H.F. traces, and V.F. traces. It was written in 1920.

Bond, E. C. J.
IND-IIA-F004-I07 · Item · 27-04-1920
Part of Correspondence of E. C. J Bond and the Director of Kodaikanal Observatory

The letter was written by E. C. J. Bond, the officer in charge No. 18 party (Magnetic), Survey of India, to the Director of the Solar Physics Observatory, Kodaikanal. E. C. J. Bond has mentioned some suggestions to the magnetic observers to get accurate values during the observations. It was written in 1920 in Dehra Dun.

Bond, E. C. J.