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Etudes Chronometriques

Pierre Le Roy, Paris, 1764.

Account of the Proceedings in order to the Discovery of the Longitude at Sea, subsequent to those published in the year 1763. John Harrison, 8vo, London, 1765.

Supplement a l'Essai sur l'Horlogerie. F. Berthoud, Paris, 1765. Thoughts on the Means of Improving Watches, and particularly those for use at sea. Thos. Mudge, Jr., London, 1765.

Elements of Clock and Watch Work adapted to practice. Alexander Cumming, 4to, London, 1766.

Remarks on a Pamphlet lately published by Dr. Maskelyne. John Harrison, 8vo, London, 1767.