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engineering
Daniel Quare and the Repeating Watch Movement

Daniel Quare and the Repeating Watch Movement

Tabea Tietz
On March 21, 1724, English clockmaker and instrument maker Daniel Quare passed away. He is best known for his invention of a repeating watch movement in 1680 and a portable barometer in 1695. Daniel Quare – A Brother of the Clockmaker’s Company Daniel Quare was probably born in 1648, but the sources differ. He was admitted a brother of the Clockmakers’ Company in April 1671. When Quare started his career, the pendulum…
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engineering
Christiaan Huygens and the Development of the Pocket Watch

Christiaan Huygens and the Development of the Pocket Watch

Harald Sack
On October 4, 1675, prominent Dutch mathematician, physicist, astronomer and inventor Christiaan Huygens patented a pocket watch. Huygens was a leading scientist of his time, who established the wave theory of light and made outstanding astronomical discoveries. He also patented the first pendulum clock in 1656, which he has developed to meet his need for exact time measurement while observing the heavens. “…the power of this line [the cycloid] to measure time.”  –…
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engineering
Ferdinand Berthoud and the Chronometer

Ferdinand Berthoud and the Chronometer

Tabea Tietz
On March 19 1727, French horologist Ferdinand Berthoud was born. Together with his great rival, Pierre Le Roy, Berthoud contributed to the development of the chronometer in the attempt to solve the problem of determining longitude at sea. Berthoud‘s improvements to the chronometer have been largely retained in present-day designs. Becoming a Master Watch Maker Ferdinand Berthoud was born in in Plancemont, Val-de-Travers, in the Canton of Neuchâtel, which then belonged to…
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engineering
The Ingenious Watches of Abraham-Louis Bréguet

The Ingenious Watches of Abraham-Louis Bréguet

Harald Sack
On January 10, 1747, Swiss horologist Abraham-Louis Breguet was born. In his lifetime he was considered the leading watchmaker of his day because of his artistic as well as technical skill. His innovations included a self-winding or “perpétuelle” watch (1780), the gong spring which decreased the size of repeater watches, and the first anti-shock device or “pare-chute“, which improved the reliability of his watches while making them less fragile. Of course Swiss watches…
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geography
Ferdinand Freiherr von Richthofen and the Silk Road

Ferdinand Freiherr von Richthofen and the Silk Road

Harald Sack
On May 5, 1833, German traveller, geographer, and scientist Ferdinand Freiherr von Richthofen was born. Von Richthofen is noted for coining the terms “Seidenstraße” and “Seidenstraßen” = “Silk Road(s)” or “Silk Route(s)” in 1877. He also standardized the practices of chorography and chorology. Richthofen and the Alpine Geology Ferdinand von Richthofen was born in Carlsruhe, Prussian Silesia, to Karl Richthofen and his wife Ferdinande. He attended the Catholic Gymnasium in Breslau (today…
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