The principles of Mr. Harrison's time-keeper, with plates of the same. Published by order of the commissioners of longitude.
Harrison, John,1693-1776.
London : printed by W. Richardson and S. Clark; and sold by John Nourse, and Mess. Mount and Page,
1767.
In this impression the plates are on India paper and not folded; collation: [A-B], C-P, [Q] for the letterpress.
The prefatory 'Notes' are signed: Nevil MasKelyne.
With a half-title.
ESTC