The visual telegraph line transmitted the first message across a 30-mile stretch of France, using the 22 stations of the Paris Lille line in 1793. Continue reading
Tag: France
Industrial Trade Show Held in Paris
Temple d'Industrie in Paris, France held the first industrial trade show on September 17, 1798. Continue reading
Chappe Invents the Mechanical Semaphore
Two French brothers, Claude and Ignace Chappe invented the mechanical semaphore in 1791. Continue reading
Four-Stroke Internal-Combustion Engine
German inventor Nikolaus Septust Otto developed a four-stroke internal-combustion engine in 1876. Continue reading
Europeans Controls Leprosy
Europe brought leprosy, a disfiguring contagious disease caused by the bacillus Mycobacterium leprae, under control in the 14th century. Continue reading
Creation of Photoengraving
Joseph-Nicephore Niepce of Chalon-sur-Saone, France, a lithographer created photoengraving in 1822. Continue reading
Invention of Printed Photograph Extant
Joseph-Nicephore Niepce, a French photographer, invented printed photograph extant in February 1827. Continue reading
Niepce Invented Photoengraving
French physicist Joseph-Nicephore Niepce invented photoengraving in 1816 and made the first photograph in 1826. Continue reading
Supersonic Concorde Jet Crossed The Atlantic
Two Concorde supersonic jets flew across the Atlantic Ocean on May 24, 1976 from both Paris, France and London, England arriving at Dulles International Airport, Washington, DC, USA. Continue reading
Socialist Theorists Active in 18th Century France
Socialist theorists were active in 18th and 19th century France and England as industrialized state run scientific principles by experts, Continue reading