Ferdinand Berthoud

See also: Berthoud (homonymy)

Ferdinand Berthoud is a clock and watch maker, born in Suisse in 1727 with Plancemont (Canton of Neuchâtel) he dies in Groslay in 1807.

It set at Paris in 1745. It is generally admitted that it enters then to the workshop of Julien Roy. Ferdinand Berthoud quickly acquired a reputation of technical skill and was recognized for its innovations in its field. It made the first marine clocks intended there to make known longitude at sea and deserved to be selected for clock and watch maker-mechanic of the marine . It is named Horloger of the king as of 1773. It was named as of member creation of the Institut (1795). Berthoud became member of the Royal Society the February 16th 1764.

He is regarded as the inventor of the marine clock which at sea allows the determination of the longitude, and which was used much for the improvement of the geography.

One has of him:

Art to lead and regulate the pendulums , 1759;
Test on the clock industry , 1763 and 1786;
Treated marine clocks , 1787;
Treated watches with longitude , 1792;
History of the Measurement of time , 1802.

Its nephew Louis Berthoud, was also distinguished as clock and watch maker.

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