Title: An account of the going of Mr. John Harrison's watch, at the Royal Observatory, from May 6th, 1766 to March 4th, 1767
Subjects: Clocks and watches, Early works to 1800, Experiments, Time measurements, Longitude, Time, Systems and standards, Temps, Ouvrages avant 1800, Mesure, Expériences
People: John Harrison (1693-1776)