Results of Observations of the Fixed Stars, Made With the Meridian Circle at the Government Observatory Madras in the Years 1883, 1884, 1885, 1886 and 1887, Vol. 8 (Classic Reprint) Pogson, Norman Robert Heftet / 2018 / Engelsk
Results of Observations of the Fixed Stars, Made With the Meridian Circle at the Government Observatory Madras in the Years 1883, 1884, 1885, 1886 and 1887, Vol. 8 (Classic Reprint) Pogson, Norman Robert Innbundet / 2018 / Engelsk
Telegraphic Determinations of the Difference of Longitude Between Karachi, Avanashi, Roorkee, Pondicherry, Colombo, Jaffna, Muddapur and Singapore, and the Government Observatory, Madras Pogson, Norman Robert Heftet / 2012 / Engelsk
