GILBERT, William (1544-1603). On the Magnet, London: Chiswick Press, 1900, 2° (298 x 198mm.), first edition in English, title with device and Gilbert's coat-of-arms to verso, one folding plate, illustrations, original vellum -- Notes on the De magnete, London: privately printed, 1901, 2°, title with device, holland-backed boards. (2)