An ACCOUNT Of The TRIGONOMETRICAL OPERATION, WHEREBY The DISTANCE BETWEEN The MERIDIANS Of The OBSERVATORIES Of GREENWICH And PARIS Has Been DETERMINED.
[London]: [1790]. 1st separate edition. 162 pp. Illustrated with 11 inserted copperplate engravings & 4 folding tables. Head- tailpieces. 4to: A^2 B - X^4. X4 blank. 11" x 8-7/8". Period pale green paper wrappers with paper title label to spine. Housed in a handsome quater-calf clamshell case. Roy was a...... More