Philosophia Magnetica, in qua Magnetis Natura penitus explicatur, et Omnium quae hoc Lapide cernuntur, causae...
Engraved title & several engravings & numerous woodcuts in the text. 8 p.l., 412, [12] pp. Folio, cont. half-sheep & marbled boards (minor worming towards end), spine gilt, black leather lettering piece on spine. Ferrara: F. Succius, 1629.
First edition, Jesuit issue, and a very fine copy. “Perhaps the most significant discovery of the century following Gilbert was that of electrical repulsion. This effect seems first to have been noticed incidentally by Cabeus, who, in his Philosophia Magnetica (1629), describes how filings attracted by excited amber sometimes recoiled to a distance of several inches after making contact.”–Wolf, A History of... More