First edition. 4to. [xviii], 571, [16] (index and errata); extra leaf *438*439 inserted between 438-439. The usual leaf with the advertisement to the Reader, containing the Royal Society disclaimer, appears twice, in slightly different settings: the first without a signature, the second with the signature a. Plates as numbered I-XX plus folding plate of General Bill of Wedding Numbers between 340-341 (plate 1 appears opposite page 75, after plate II opposite page 38; plate XVI appears opposite page 371). Contemporary or near contemporary full stamped vellum, with contrasting label, edges speckled red. Bookplate of N. Vansittart to front paste-down, label Winnard's bequest to flyleaf, unobtrusive blind stamp to title and final leaves, neat number 2298 to the verso of the title page, paper flaw to corner of page 150 with loss of paper but without affecting text, occasional browning as usual but overall a nice example, collated complete and correct. As well as Franklin articles in this volume include: A general method for exhibiting the Value of Algebraic Expression. (A demonstration of Newton Binomial theory) by T Simpson, Canton on making artificial magnets, Walpole describing his own experience with bladder stones, on the mean motion of the moon according to Newton by Patrick Murdocke, Francis Blake on steam-engine cylinders, Henry Eeles concerning the cause of thunder, Account of Phaenomena of Electricity by William Watson, and an engine for raising water by fire, being an improvement of Savery's Construction by De Moura of Portugal, and so on.