COULOMB, (CHARLES).

Nouvelle Méthode de déterminer L'Inclinaison d'une Aiguille Aimantée. Lu le 26 fructidor an 7 (1799).

(Paris, Baudouin, AN XI (1803)). 4to. Without wrappers. Uncut. Extracted from "Mémoires de L'Institut National des Sciences et Arts", Tome Quatrieme. Pp. 565-584. A few faint brownspots to the first leaves. Fine and clean.

First printing, dealing with the magnetic needle.
"In magnetism he (Coulomb) determined the quantitative force law, created a theory of magnetism, based on molecular polarization, and introduced the idea of demagnetization (basically, that combinations of magnetic poles can "Cancel" each other."(DSB III,p. 444).

Order-nr.: 42888