The American Journal of Science and Arts, Volumes 93-94S. Converse, 1867 - Science |
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Page 6
... equal intervals of Kirchhoff's scale , and the table is not therefore equally reliable in all its parts . New measure- ments of wave lengths are needed to give greater precision , especially between the numbers 890-1000 and 1030-1090 ...
... equal intervals of Kirchhoff's scale , and the table is not therefore equally reliable in all its parts . New measure- ments of wave lengths are needed to give greater precision , especially between the numbers 890-1000 and 1030-1090 ...
Page 7
... equal to that of Kirchhoff's apparatus . If now a scale telescope be employed with an object glass of about 18 inches focal length , it will be easy to place Kirchhoff's chart in such a position that the re- flected image of any small ...
... equal to that of Kirchhoff's apparatus . If now a scale telescope be employed with an object glass of about 18 inches focal length , it will be easy to place Kirchhoff's chart in such a position that the re- flected image of any small ...
Page 13
... equal intervals of time by means of mechanical quadratures , and from the values of the elements thus found for any given time , the co - ordinates of the body at that time are determined . Now this method , although a very beautiful ...
... equal intervals of time by means of mechanical quadratures , and from the values of the elements thus found for any given time , the co - ordinates of the body at that time are determined . Now this method , although a very beautiful ...
Page 14
... equal truth be predicated of the Nautical Almanacs from 1834 to the present date ; nevertheless the first impulse came from Encke and Berlin . Many other labors of Encke may also be found in the Me- moirs and Monthly Reports of the ...
... equal truth be predicated of the Nautical Almanacs from 1834 to the present date ; nevertheless the first impulse came from Encke and Berlin . Many other labors of Encke may also be found in the Me- moirs and Monthly Reports of the ...
Page 46
... equal 8.62 to 1 . • 7844 091 ' In table VII , with the copper wire rheochord , a reduction of 1 2.53 ' intensity to and of temperature of the rheochord wire to an unknown extent , are attended with an increase of internal re- sistance ...
... equal 8.62 to 1 . • 7844 091 ' In table VII , with the copper wire rheochord , a reduction of 1 2.53 ' intensity to and of temperature of the rheochord wire to an unknown extent , are attended with an increase of internal re- sistance ...
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alcohol ammonia analysis angles appear atoms axis beds boiling point carbon Carboniferous cavern cent characters chemical chlorid Coal-measures color comet compound containing copper Cretaceous crystals decomposed density deposits described determined diameter distillation earth Eocene ether ethyl examined fact feet formation formula fossils fractionated distillations Geinitz genera genus Geological give heat hydrochloric acid inches infusoria iron JOUR kaolin kaolinite latitude latter less light limestone liquid longitude mass mean meteoroids meteors method mica miles mineral Miocene nacrite nearly observed obtained orbit oxyd oxygen Paleontology Permian photosphere plane plates portion present probably Prof quantity ratio referred regard remarkable river rocks salt sandstone SCI.-SECOND SERIES seen shell silicic acid silicic ether silicium Silurian solar solution species specimens spot strata Substance sulphate sulphuric acid surface temperature thickness tion tube upper vapor weight XLIII