Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volumes 1-2American Philosophical Society, 1833 - Electronic journals |
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Page 36
... Glass . 1 E. J. Beans 2 Wm . Penn Cresson 3 Prof. W. R. Johnson 4 George M. Justice 5 E. O. Kendall 6 Joseph Knox 7 Isaiah Lukens 8Thomas M'Euen 9 Prof. Roswell Park 10 Dr. R. M. Patterson 11 Wm . H. C. Riggs 12 Samuel Sellers 13 Tobias ...
... Glass . 1 E. J. Beans 2 Wm . Penn Cresson 3 Prof. W. R. Johnson 4 George M. Justice 5 E. O. Kendall 6 Joseph Knox 7 Isaiah Lukens 8Thomas M'Euen 9 Prof. Roswell Park 10 Dr. R. M. Patterson 11 Wm . H. C. Riggs 12 Samuel Sellers 13 Tobias ...
Page 44
... glass . Time by three chrono- meters , regulated by eastern and western altitudes of sun and stars , with his Troughton's sextant . Beginning , Formation of ring , Rupture of ring , End , Duration of eclipse , Do. of ring , h m Ꭶ 3 6 ...
... glass . Time by three chrono- meters , regulated by eastern and western altitudes of sun and stars , with his Troughton's sextant . Beginning , Formation of ring , Rupture of ring , End , Duration of eclipse , Do. of ring , h m Ꭶ 3 6 ...
Page 45
... glass , power 150 , nearly . Astronomical clock regulated by a 30 inch transit circle by Simms . Beginning 14h 27m ... glasses , powers 75 , nearly . As- tronomical clock regulated by a Dollond's portable transit instru- ment . Beginning ...
... glass , power 150 , nearly . Astronomical clock regulated by a 30 inch transit circle by Simms . Beginning 14h 27m ... glasses , powers 75 , nearly . As- tronomical clock regulated by a Dollond's portable transit instru- ment . Beginning ...
Page 50
... glass , power 60 for beginning and end , and 40 for the ring , and with a three and a half feet Dollond , dark red screen glass , power 80 . Beginning , Do. Formation of ring , Rupture of ring , End , Do. Mean duration of eclipse , h m ...
... glass , power 60 for beginning and end , and 40 for the ring , and with a three and a half feet Dollond , dark red screen glass , power 80 . Beginning , Do. Formation of ring , Rupture of ring , End , Do. Mean duration of eclipse , h m ...
Page 51
... glass , till 61 seconds before the formation of the ring , and then only as a luminous spot . This difference could not have been the result of any oversight on the part of Prof. Alexander ; as Prof. Henry , immediately on seeing it ...
... glass , till 61 seconds before the formation of the ring , and then only as a luminous spot . This difference could not have been the result of any oversight on the part of Prof. Alexander ; as Prof. Henry , immediately on seeing it ...
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1838.-From the Author 1838.-From the Society A. D. Bache Academy acid American Philosophical Society anfractibus apparatus Astronomical Bache Benjamin Silliman Boston Brussels Bruxelles Chair Charles Gutzlaff Charles Nagy Chinese ciety Committee conductor deflagration dentibus cardinalibus donations were received Du Ponceau Dunglison eclipse Edited Editor electricity Elias Loomis entitled epidermide following donations Hare Hays inches intensity iridescente Isaac Lea January John Vaughan Journal l'Académie labro lævi lateralibus longis latitude laws letter longitude Loomis Magellanic premium margarita Mastodon meeting Memoir mercury metal meteors Miocene natibus needle Obs'y observations Observatory paper Paris Patterson Pennsylvania Phila Philadelphia Ponceau Present President Proceedings Prof Professor Bache referred remarks reported in favour ring River Royal Asiatic Society Royal Society Secretary Silliman Société Society of London solar eclipse specimen Testà tion tornado Transactions Unio United valvulis vapour Walker Washington Western Reserve College William York
Popular passages
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