Norman Robert Pogson

Telegraphic Determinations Of The Difference Of Longitude Between Karachi, Avanashi, Roorkee, Pondicherry, Colombo, Jaffna, Muddapur And Singapore, An

Results Of Observations Of The Fixed Stars Made With The Meridian Circle At The Government Observatory, Madras, In The Years ...; Volume 8

Telegraphic Determinations Of The Difference Of Longitude Between Karachi, Avanashi, Roorkee, Pondicherry, Colombo, Jaffna, Muddapur And Singapore, And The Government Observatory, Madras

Telegraphic Determinations

Results Of Observations Of The Fixed Stars Made With The Meridian Circle At The Government Observatory, Madras, In The Years ...; Volume 8