Includes bibliographical references and index.

Preface; John Dee's Angelic Conversations and the ars notoria: Renaissance magic and mediaeval theurgy; Enthusiasm and "damnable curiosity": Meric Casaubon and John Dee; Non est legendum sed inspicendum solum: Inspectival knowledge and the visual logic of John Dee's Liber Mysteriorum; In Campo Fantastico: Alexander Dicson, Walter Warner and Brunian mnemonics; Giordano Bruno's De imaginum, signorum et idearum compositione: art, magic and mnemotechnics; Amorem, artem, magiam, mathesim: Brunian images and the domestication of the soul; Galileo, Bruno and the rhetoric of dialogue in 17th-century natural philosophy; Corpuscular theories in the Northumberland circle; The atomism of the Cavendish circle: a reappraisal; "The infinite variety of formes and magnitudes": 16th- and 17th-century English corpuscular philosophy and Aristotelian theories of matter and form; In search of "The True Logick": methodological eclecticism among the Baconian reformers; The correspondence of a 17th-century "Chymicall Gentleman": Sir Cheney Culpeper and the chemical interests of the Hartlib circle; Index.