Recherches sur la direction du fluide magnétique.
Paris: chez Gastelier (Gouffier), 1785.
1st Edition. Hardcover. Very Good. Item #002938
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 spotting. Old publisher's name Gouffier overpasted by printed paper slip. A near fine, wide-margine copy. ----
Honeyman 528; Wheeler-Gift I, 527. - FIRST EDITION of an interesting treatise on the magnet and magnetism. Little is known about the author who performed experiments to illustrate the direction of the "lines of force" of the magnet at its poles, both when resting by itself and when brought into proximity with other magnets; and again its behaviour when pivoted and used as a needle. The engraved plates show magnetic field lines. "An effort to show that the accepted theories in magnetism are untenable because based on erroneous or faulty experiments...The diagrams of the magnetic field are worthy of notice." (Wheeler-Gift). Very rare work. The last copy we can trace is the Honeyman copy sold in 1978 for GBP 220. - Visit our website for additional images and information.
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