She began to solicit contributions from her friends, and saved her pennies.
The contributions amounted to more than sixteen hundred dollars.
Among the inure recent contributions S.
He also made important contributions to the mathematical theory of electrodynamics, and in papers published in 1845 and 1847 established mathematically the laws of the induction of electric currents.
- Be fore leaving the German speculation of the first half of the century, a word must be said of von Baer, to whose biological contributions we shall refer later in this article, who recognized in the law of development the law of the universe as a whole.