Instructions at large, for the use of Hadley's quadrant
Subtitle: wherein are contained the principles on which that ... instrument is constructed; together with a description and use of Vermier's, enormously called Nonius's divisions.
Series: Eighteenth century -- reel 7978, no. 09.
Publisher: printed for S. Crowder; and for John Robinson
Published: 1766
Place of publication: London
Language: eng
Format: Microform
Number of pages: 30
Notes: With a final advertisement leaf.

Variant: with one plate showing two 'Dollond' quadrants.

Microfilm. Woodbridge, CT Research Publications, Inc., 1986. 1 reel ; 35mm. (The Eighteenth Century ; reel 7978, no.09).