The American Journal of Science and Arts, Volumes 93-94S. Converse, 1867 - Science |
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Page 9
... substance generating each line is indicated by a dotted line and symbol as in Kirchhoff's chart , while the seven principal lines of Fraunhofer are denoted by the usual letters . In order to permit a comparison of the lines ...
... substance generating each line is indicated by a dotted line and symbol as in Kirchhoff's chart , while the seven principal lines of Fraunhofer are denoted by the usual letters . In order to permit a comparison of the lines ...
Page 98
... substance . If spontaneous generation is possible I ought to find organized beings there . " The result was negative . Mr. Donné found neither mold nor infusoriæ , and he decided against spontaneous generation . Since then objections ...
... substance . If spontaneous generation is possible I ought to find organized beings there . " The result was negative . Mr. Donné found neither mold nor infusoriæ , and he decided against spontaneous generation . Since then objections ...
Page 106
... substances ; where the figures are connected by a bracket it is intended to indicate that the two angles were obtained from the same portion of the plate . Lamp - black from stearine . 18 ° -25 ) 18 75 16 16 17 ° .25 Lamp - black from ...
... substances ; where the figures are connected by a bracket it is intended to indicate that the two angles were obtained from the same portion of the plate . Lamp - black from stearine . 18 ° -25 ) 18 75 16 16 17 ° .25 Lamp - black from ...
Page 110
... substances . - Ann . der Chemie und Pharm . , cxxxviii , 57 . 8 W. G. 6. On crotonic acid . - BULK has given another instance of the conver- sion of one organic acid into another by simple addition of one molecule or two atoms of ...
... substances . - Ann . der Chemie und Pharm . , cxxxviii , 57 . 8 W. G. 6. On crotonic acid . - BULK has given another instance of the conver- sion of one organic acid into another by simple addition of one molecule or two atoms of ...
Page 137
... substances considered . We notice several chapters of great value : especially those on the physical properties of gases ; on the atomicity of the elements ; on crystallography ; on spec- trum analysis , and solar and stellar chemistry ...
... substances considered . We notice several chapters of great value : especially those on the physical properties of gases ; on the atomicity of the elements ; on crystallography ; on spec- trum analysis , and solar and stellar chemistry ...
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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