Telegraphic Determinations of the Difference of Longitude Between Karachi, Avanashi, Roorkee, Pondicherry, Colombo, Jaffna, Muddapur and Singapore, and the Government Observatory, Madras

In this scientifically rigorous and groundbreaking work, the Madras Observatory, in collaboration with Norman Robert Pogson, presents a detailed study of the difference in longitude between several key locations in India and Singapore. Combining the latest in telegraphic technology with powerful mathematical and astronomical expertise, this work serves as a vital contribution to the fields of geography and astronomy. With its meticulous attention to detail and groundbreaking research, this book is essential reading for anyone interested in the history of science and technology.

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