Instructions at large for the use of Hadley's quadrant
Subtitle: wherein are contained the principles on which that most ingeniously contrived and useful instrument is constructed : together with a description and use of Vernier's, erroneously called Nonius's Divisions
Publisher: S. Crowder and J. Robinson
Published: 1766
Place of publication: London
Language: eng
Number of pages: 30
Subjects: Quadrants (Astronomical instruments)