An act for the encouragement of John Harrison, to publish and make known his invention of a machine or watch, for the discovery of the longitude at sea
Publisher: Printed by Mark Baskett ... and by the assigns of Robert Baskett
Published: 1763
Place of publication: London
Language: eng
Number of pages: 363
Subjects: Chronometers; Early works to 1800; Longitude; Navigation
Notes: Caption title; imprint from cover.

At head of title: Anno tertio Georgii III. Regis. Cap. XIV.

No. 3 in a volume with binder's title: Tracts on longitude 1753-1777.