An account of the trigonometrical operation, wherby the distance between the meridians of the observatories of Greenwich and Paris has been determined
By: By William Roy
Publisher: [publisher not identified]
Published: 1790
Place of publication: London]
Language: eng
Number of pages: 162
Subjects: Astronomical geography; Meridians (Geodesy); Meridians (Astronomy)
Notes: "Read before the Royal Society, Feb. 25, 1790"

ESTC T9035.