materiały: History of clockmaking in Besançon

Evidence: 100 • authority: 72

The history of clockmaking in Besançon began significantly at the end of the 18th century, when Swiss clockmakers set up their first workshops in the Comtois capital. Then, little by little, the people of Besançon joined in the clockmaking fever, definitively transforming Besançon into the Capitale française de l'horlogerie (French capital of clockmaking) at the 1860 International Exhibition, held in Place Labourey. The city produced up to 90% of French watches by 1880, and despite a crisis in the 1890s and 1900s, the clockmaking sector recovered and continued to grow. The city continued to play a leading role in the clockmaking industry until the crisis of the 1930s, and recovered before t…

Evidence: — • authority: 72

A marine chronometer is a precision timepiece that is carried on a ship and employed in the determination of the ship's position by celestial navigation. It is used to determine longitude by comparing Greenwich Mean Time (GMT) and the time at the current location found from observations of celestial bodies. When first developed in the 18th century, it was a major technical achievement, as accurate knowledge of the time over a long sea voyage was vital for effective navigation, lacking electronic or communications aids. The first true chronometer was the life work of one man, John Harrison, spanning 31 years of persistent experimentation and testing that revolutionized naval (and later aeria…