Observations to Determine the Magnetic Dip at Various Places in Ohio and Michigan. By Elias Loomis Professor of Mathematics and Natural Philosophy in Western Reserve College. In a Letter to Sears C. Walker, Esq., M. A. P. S.

Autor: Loomis, Elias
Zdroj: Transactions of the American Philosophical Society, 1841 Jan 01. 7, 1-6.
Databáze: JSTOR Journals