Telegraphic determinations of the difference of longitude between Karachi, Avanashi, Roorkee, Pondicherry, Colombo, Jaffna, Muddapur and Singapore, and the Government Observatory, Madras / by Norman R. Pogson
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Place / Publishing House: | Madras : Lawrence Asylum Pr., 1884 |
Year of Publication: | 1884 |
Language: | English |
Physical Description: | 82 S. |
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