Stars and telescopes; a hand-book of popular astronomy founded on the 9th ed. of Lynn's Celestial motions (1901)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911 · Boston, Little, Brown · leaf 94
Great Protuberance 29th August 1886(Height, 150,000 miles) Eruptive Protuberance 3d May 1892 Trouvelot) those of 1S68 and 1886 were observed during total eclipses;while that of 1892 was drawn in fullsun-light, by means of a spectroscopeadjusted delicately on the edge of theSun, this instrument…
Astronomy
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