Recherches sur la direction du fluide magnétique.
Paris: chez Gastelier (Gouffier), 1785. 8vo (207 x 130 mm). viii, 206 pp., 8 (7 folding) engraved plates, half-title and errata, without the final blank N8. Bound in 20th century marbled boards, spine with gilt-lettered morocco label, new endpapers. Text and plates crisp and clean with only very minor occasional..... More