London:: Printed for B. Creake, . . . J. Sackfield . . .; And sold by W. Mears, . . . 1719., 1719. Sm. 4to. [xxii], 201, [5] pp. 10 folding engraved copperplates, 5 figs. (pp. 24, 54, 75, 112), half-title is a publisher's ad for Boerhaave, rear publisher's ads [2 ff.], head and tail-pieces; title edges chipped. With errata. Title (+ p.101) perforated stamp and with a rubber stamp on verso, of the John Crerar Library, eight plates with the ex-library rubber stamp on versos; waterstained throughout. WITH FREQUENT EARLY INK CORRECTIONAL NOTES. Modern half blind-stamped dark calf, gilt spine title, raised bands, marbled paper over boards, new endleaves, bindery ticket at rear: Pat M. Bruno. Inscription on recto of front blank (verso is ad for Boerhaave book), "W. --- 1720 Power." SPURIOUS EDITION OF DESAGULIERS' FAMOUS PRIVATE LECTURES CONTAINING NOTES ON BOYLE'S AIR PUMP AND NEWTON ON COLOR THEORY. FIRST ENLARGED EDITION, early issue, without "All carefully Examined and Corrected by…