Lucien Vidi (1805 in

Nantes Nantes (, ; ; or ; ) is a city in the Loire-Atlantique department of France on the Loire, from the Atlantic Ocean, Atlantic coast. The city is the List of communes in France with over 20,000 inhabitants, sixth largest in France, with a pop ...

– April 1866 in Nantes) was a French physicist. In 1844 he invented the

barograph A barograph is a barometer that records the barometric pressure over time in graphical form. This instrument is also used to make a continuous recording of atmospheric pressure. The pressure-sensitive element, a partially evacuated metal cylinde ...

, that is, a device to monitor pressure, a recording

aneroid barometer A barometer is a scientific instrument that is used to measure air pressure in a certain environment. Pressure tendency can forecast short term changes in the weather. Many measurements of air pressure are used within surface weather analysis ...

. Passionate about his work, Vidi spent all his wealth to fund his research on the barograph. The invention proved successful, and Vidi managed to make profit of it, despite several legal battles. In particular, Mr. Bourdon, who in 1849 designed a similar barometer, filed a suit in 1852, which Vidi won by late 1858. Vidi's death was ascribed to his excessive use of

hydrotherapy Hydrotherapy, formerly called hydropathy and also called water cure, is a branch of alternative medicine (particularly naturopathy), occupational therapy, and Physical therapy, physiotherapy, that involves the use of water for pain relief and ...

References

{{DEFAULTSORT:Vidie, Lucien French physicists 1805 births 1866 deaths