V. -15, 1861-75; V. 16-35 (new Ser., V. 1-20) 1876-95; V. 36-42 (3d Ser., V. 1-4 ) 1896-1899 ... M. E. Neovius describes his photographic studies of the spectra of nitrogen extracted from the air and prepared in the usual manner. ... of uranium. vanadic acid, iron, aluminum. and traces of copper, lead, and potassium; also very small proortions of the radio-active elements discovered y M. and Mme. Curie.
|Title||:||Appletons ̕annual Cyclopædia and Register of Important Events ...|