AN ACCOUNT OF THE TRIGONOMETRICAL SURVEY CARRIED ON IN THE YEARS 1791, 1792, 1793, AND 1794 by Order of His Grace the Duke of Richmond + AN ACCOUNT OF THE TRIGONOMETRICAL SURVEY CARRIED ON IN THE YEARS 1795 and 1796 by Order of the Right Honourable the Ma Communicated by the Duke of Richmond from the Philosophical Transactions. (2 Volumes bound in 1)

FIRST EDITIONS 2 Volumes bound as 1. 4to. hardback in half brown calf with brown title label, gilt to spine and textured beige cloth boards. Volume I: iv, 179pp. plus 3 folding engravings and 1 large folding Plan at end. Volume II: iv,, 111pp. plus 2 large folding Plans at end. Small engraved Bookbinder's label, modern bookplate and small sticker with FF in red to front pastedown. Some foxing, occasionally quite heavy. Outer edge of large folding Plan to Volume I a little creased and browned. Couple of small closed tears and creasing to edges of large folding Plans to Volume II. Calf of spine and corners very rubbed and worn with some damage to top and side of spine. Small areas of loss to title label. Boards stained and soiled with some fraying to lower board. Overall a Good, Sound copy of a scarce title.