[NATURAL HISTORY]. BACON, Francis, Sir (1561-1626) and RAWLEY, William (1588-1667). Sylva Sylvarum: or, A Naturall Historie. London: John Haviland, 1639. 4to. With engraved title-page and letterpress title-page. Frontispiece lacking. [Bound with: A New Atlantis A Worke unfinished]. Bound to style in modern half brown calf over marbled boards, spine stamped in gilt, black gilt morocco lettering label (new endleaves, blanks, light rubbing to binding, both title-pages are mounted, as well as p. 43 of A New Atlantis (those leaves are toned and worn), text toned, worn, soiled, lightly foxed). Fifth edition. This title contains 1,000 ?experiments? divided into ten groups of 100 ?experiments,? and was intended to be a general book of casual observations, travels, experiments, etc. STC 1173.