Total Eclipses of the Sun

Total Eclipses of the Sun

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1894 edition. Excerpt: ... 16 Annali del R. Mnseo Florentin0, i. 21. 17 Transactions of the Academy of Jena, xxviii.-ix. (1861-62). 18 Memoires de VAcademie Imflriale de S' Petersbourg, iv. (1861). 19 Comptes Rendus, lxvii. (1868), 270. 23 Philosophical Transactions, 1863, p. 333. 29th August 1867 (grosch) 25th April I865(cappelletti) to be the earliest published one to show the curved filaments adjacent to the solar poles. But when the lunar shadow traversed the Indian and Malay peninsulas, 18th August 1868, total obscuration lasted over five minutes and a half, forming the longest eclipse ever observed. Then the history of eclipse spectroscopy made a vigorous beginning. Four expeditions were sent out, two each from England and France, with highly gratifying results as to the composition of some heretofore mysteriously constructed solar envelopes; another expedition of Jesuits was despatched from Manila. Great variations in the darkness were reported in different places. At Beejapoor and at Vumpurthy it seems to have been as dark as any clear starlight night, while observers at WhaTonne remark their ability to read print in the open air, --although candles were necessary for reading the micrometer-head in the telescope-house. This great eclipse was also observed at Guntoor by General Tennant,21 under instructions from the Right Honorable the Secretary of State for India. Bullock made this excellent drawing of the corona; the work of Rayet and the great discovery of Janssen have already been referred to; while among other astronomers of note were Engelmann,22 Oppolzer,23 Oudemans, who advanced a novel hypothesis regarding the corona,24 Pogson, Pope Hennessv, '25 Sporer, Stephan, Vogel, and Weiss, who published an elaborate account of the Aden expedition, with a full...show more

Product details

  • Paperback | 68 pages
  • 189 x 246 x 4mm | 141g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236592557
  • 9781236592552