Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Томи 4 – 5American Philosophical Society, 1967 |
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... observations should be multiplied in various parts of the region of the lake . The observations were prefaced by a popular explanation of what is meant by the four elements of terrestrial magnetism , declination ( " varia- tion " ) dip ...
... observations should be multiplied in various parts of the region of the lake . The observations were prefaced by a popular explanation of what is meant by the four elements of terrestrial magnetism , declination ( " varia- tion " ) dip ...
Сторінка 176
... observations ; the indications were , however , the same as in the other sets , exhibiting a less degree of heat from the spots . Cloudy weather prevented other observations on the heat of dif- ferent parts of the sun , particularly a ...
... observations ; the indications were , however , the same as in the other sets , exhibiting a less degree of heat from the spots . Cloudy weather prevented other observations on the heat of dif- ferent parts of the sun , particularly a ...
Сторінка 312
... observations . The last from his own observations with the Washington equatorial , consisting of thirty - three comparisons in R. A. and eleven in Dec. , with the two stars first selected for comparison by Encke . In the computations ...
... observations . The last from his own observations with the Washington equatorial , consisting of thirty - three comparisons in R. A. and eleven in Dec. , with the two stars first selected for comparison by Encke . In the computations ...
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28th Congress 4to.-From the Royal 8vo.-From Dr 8vo.-From Messrs 8vo.-From the American 8vo.-From the Author 8vo.-From the Editors 8vo.-From the Society A. D. Bache acknowledging the receipt African Repository American Colonization Society American Journal American Philosophical Society Annual appointed April Astronomische Nachrichten Bache Bruxelles Chair ciety Colonial Journal Committee corpus luteum dated London donations were announced Dunglison Edinburgh Edward Newman electricity Epact following donations Franklin Institute George Biddell Airy Hebdomadaires des Séances Historical Society inclusive Isaac Hays January Journal of Science July June Kane lævi Lea & Blanchard Letters were received LIBRARY BY PURCHASE Livraison Magnetic March Medical Meeting Mémoires Natural History obituary notice observations Observatory Pennsylvania Philadelphia Present President Proceedings Prof Quatrième Série R. M. Patterson received and read referred Report Repository and Colonial Royal Asiatic Society Royal Society Séances Secretary Society of London spirâ suturis Third Series tion Transactions Vice-President Walker Washington wire