John Harrison

1693 – 1776

Inventor of the marine chronometer, needed by navigators for accurate determination of longitude.

• Memoirs of a trait in the character of George III. of these united kingdoms
• Remarks on a pamphlet lately published by the Rev. Mr. Maskelyne
• The principles of Mr. Harrison's time-keeper
• A description concerning such mechanism as will afford a nice,or true mensuration of time
• A narrative of the proceedings relative to the discovery of the longitude at sea, by Mr. John Harrison's time-keeper
• Remarks on a pamphlet lately published by the Rev. Mr. Maskelyne under the authority of the Boardof Longitude
• Remarks on a pamphlet [respecting H.'s chronometer] lately published by the Rev. Mr. Maskelyne, under the authority of the Board of Longitude