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The Krupp steelworks, or Krupp foundry, or Krupp cast steel factory (German: Krupp-Gussstahlfabrik [Guss+stahl+fabrik]) in Essen is a historic industrial site of the Ruhr area of North Rhine-Westphalia in western Germany that was known as the "weapons forge of the German Reich" (Waffenschmiede des Deutschen Reiches). [1]
The decoy factory was 10 kilometres (6.2 mi) from the real factory, situated on the Rottberg-Hills in Velbert. It occupied an area of 1.5 km (1 mile) × 2.5 km (1½ miles). [1] The dummy factory was supposed to mimic a poorly darkened and operating Krupp steel works as the Royal Air Force only flew at night. The decoy system consisted of a ...
The unexpected victory of Prussia over France (19 July 1870 – 10 May 1871) demonstrated the superiority of breech-loaded steel cannon over muzzle-loaded brass. Krupp artillery was a significant factor at the battles of Wissembourg and Gravelotte, and was used during the siege of Paris. Krupp's anti-balloon guns were the first anti-aircraft ...
For years, the works made barely enough money to cover the workmen's wages. Then, in 1841, Alfred's brother Hermann invented the spoon-roller—which Alfred patented, bringing in enough money to enlarge the factory, steel production, and cast steel blocks. In 1847 Krupp made his first cannon of cast steel.
The Krupp-Renn process, which specialized in the beneficiation of poor ores, was the logical basis for the development of recycling processes for ferrous by-products. In 1957, Krupp tested a furnace at Stürzelberg [nb 20] for the treatment of roasted pyrites to extract iron (in the form of Luppen) and zinc
Birthhouse of Alfred Krupp and his father Friedrich Krupp in Essen, around 1850–1880. Alfred Krupp, son of Friedrich Krupp and his wife Theresa Helena Johann Wilhelmi (1790-1850), was born in 1812. His father did not manage to put the factory he founded in 1811 on its feet during his lifetime.
Friedrich Carl Krupp (17 July 1787 – Essen, 8 October 1826) [1] was a German steel manufacturer and founder of the Krupp family commercial empire that is now subsumed into ThyssenKrupp AG. Biography
Large-scale night-time decoys were built, like the Krupp decoy site (Kruppsche Nachtscheinanlage) that was a copy of the Krupp steel works in Essen designed to divert Allied airstrikes from the actual production site of the arms factory. In the period 1939 to 1945 the Royal Air Force (RAF) dropped a total of 36,429 long tons of bombs on Essen. [1]