A description of a new instrument, invented by John Hadley, Esq.
Subtitle: for taking the latitude or other altitudes at sea : with directions for its use ...
Contributors: Hadley, John, 1682-1744
Publisher: Printed by T. Wood, and sold by A. Nutt ...
Published: 1738
Place of publication: London
Language: eng
Number of pages: 30
Subjects: Scientific apparatus and instruments.; Nautical instruments.; Longitude.
Notes: By George Hadley, brother of John Hadley.  Cf. ESTC.