KIRCHER, ATHANASIUS. Magnes sive de arte magnetica. Rome: Grignani, 1641. Engraved title, 31 (of 32?) plates, 1 volvelle and profusion of in text woodcuts. 3 parts in 1 volume, 8vo, contemporary vellum; endpapers renewed, engraved title with wear along gutter margin, a few plates repaired, minor dampstaining to last pages. FIRST EDITION. Brunet III:667. Sold not subject to return.