BACON, Francis (1561-1626). The Twoo Bookes of Francis Bacon. Of the proficience and advancement of Learning, divine and humane. London: [Thomas Purfoot and Thomas Creede] for Henrie Tomes, 1605.
4to (174 x 130 mm). (Without the final blank and the two added leaves of errata found in only a few copies, probably of late issue; a few leaves over-inked in quire Dd; occasional minor pale spotting or soiling.) Late-19th century green morocco gilt by Riviere & Son (spine sunned).
FIRST EDITION OF THE "PREPARATIVE OR KEY FOR THE OPENING OF THE INSTAURATION" (Grolier/Horblit). The Advancement of learning was the first of two works in which Bacon expounded his philosophy of scientific method. It was expanded and Latinized as De augmentis scientiarum in 1623. "In the Twoo bookes, Bacon concerned himself primarily with the classification of philosophy and the sciences and with developing his influential view of the relation between science and theology" (Norman 97). ESTC S100507; Gibson 81; Grolier/Horblit 8a; Pforzheimer 36; STC 1164.