How interchangeable parts revolutionised the way things are made
Image copyright Getty images One hot afternoon in July 1785, officials, dignitaries, and angry gunmen gathered in the gorgeous castle Château de Vincennes, east of Paris. They demonstrated a new type of flint rock rifle designed by Honoré Blanc, the gunman of Avignon. In a cool place in the castle cellar, Monsieur Blanc produced 50 […]