GILBERT, WILLIAM. Tractatus sive physiologia nova de magnete, magneticisque corporibus et magno magnete tellure. Edited by Wolfgang Lochmann. Stettin: Georg Gtzke for Johann Hallervord, 1628. Folding engraved title by Pet. Rollos, 12 etched plates (2 folding), numerous woodcut illustrations and diagrams in text. 4to, contemporary vellum; short copy, lacks the final leaf (errata) Mm4, first 4 leaves with upper margins extended, one line on preliminary leaf and some side-notes shaved. Second edition, with variant issue of the title-page mentioning Hallervord in the imprint; another issue exists with Hallervord's name replaced with "sumptibus authoris." VERY SCARCE. BM/STC German (17th-c.) G-609; see Dibner Heralds of Science 54 (note); Wheeler Gift 72a (note, "very rare"); Norman 906 ("both issues are considerably rarer than the first edition"). Sold not subject to return.