The description and use of the universal trigonometrical octant, invented and applied to Hadley's quadrant by George Adams ...
Publisher: printed for G. Adams, and given only with the instrument
Published: 1754
Place of publication: London
Language: eng
Format: Microform
Number of pages: 135
Notes: The plates are dated: Jan: 24 1754.

Microfilm. Woodbridge, CT Research Publications, Inc., 1985. 1 reel ; 35mm. (The Eighteenth Century ; reel 1396, no. 09).