Title vignettes, engraved., While vol. 2 was published in 1752, some large paper copies are dated 1751., Two volumes bound in one; volume 2 dated 1751., Large paper copy., and Laid in before page 25: two unidentified leaves laid in, with drawings on rectos and versos of elevations, floor plans, and a sketch of a column, one in pen and ink and the other in graphite. On the leaves is laid paper with a J. Whatman watermark, dated 18[...]. The other paper is wove.