 | Royal Society (Great Britain) - 1839 - 94 pages
...point out this as an object worthy of attention, both at the fixed stations and on board the vessels ; as many eclipses invisible or insignificant in one...should be most carefully noted during the whole series. Glass off. Glass on. Glass off. Etc. o o o X x X O o O Though out of the question in the circumstances... | |
 | Royal Society (Great Britain) - 1840 - 164 pages
...considerable eclipse of the sun, and the Committee would point out this as an object worthy of attention; as many eclipses invisible or insignificant in one...to others to watch the phases of the eclipse. The atmoS'. pheric circumstances should be most carefully noted during the whole series. Though out of... | |
 | Ludwig Friedrich Kämtz, Charles Martins, Léon Lalanne - 1845 - 670 pages
...considerable eclipse of the sun, and the Committee would point out this as an object worthy of attention ; as many eclipses, invisible or insignificant in one...be most carefully noted during the whole series." NOTE g. (vide p. 176.) The longitudes throughout the book are reckoned from the observatory at Paris,... | |
 | Ludwig Friedrich Kämtz, Charles Martins, Léon Lalanne - 1845 - 666 pages
...considerable eclipse of the sun, and the Committee would point out this as an object worthy of attention ; as many eclipses, invisible or insignificant in one...total, in others. The observations should commence on hour at least before the eclipse begins, and be continued an hour beyond its termination, and the... | |
 | John Frederick William Herschel - 1851 - 572 pages
...well calculated for measuring the defalcation of hc-at during any considerable eclipse of the sun. The observations should commence an hour at least...should be most carefully noted during the whole series. Thermometers for Terrestrial Radiation. — The measure of terrestrial radiation is of no less importance... | |
 | John Frederick William Herschel, Robert Main - 1859 - 496 pages
...is well calculated for measuring the defalcation of heat during any considerable eclipse of the sun. The observations should commence an hour at least...series should be uninterrupted, leaving to others the task of watching the phases of the eclipse. The atmospheric circumstances should be most carefully... | |
 | Great Britain. Admiralty - 1871 - 424 pages
...is well calculated for measuring the defalcation of heat during any considerable eclipse of the sun. The observations should commence an hour at least...series should be uninterrupted, leaving to others the task of watching the phases of the eclipse. The atmospheric circumstances should be most carefully... | |
 | John Frederick William Herschel, Robert Main - 1871 - 420 pages
...is well calculated for measuring the defalcation of heat during any considerable eclipse of the snn. The observations should commence an hour at least...series should be uninterrupted, leaving to others the task of watching the phases of the eclipse. The atmospheric circumstances should be most carefully... | |
 | 1839 - 1198 pages
...point out this as an object worthy of attention, both at the fixed stations and on board the vessels ; as many eclipses invisible or insignificant in one...eclipse begins, and be continued an hour beyond its terminalion, and the series should be uninterrupted, leaving to others to watch the phases of the eclipse.... | |
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... as many eclipses invisible or insignificant in one locality, are great, or even total in others. The observations should commence an hour at least before the eclipse begins, and be continued an hour beyond its termination, and the series should be... 