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Urban and Aurora: nickel mining and smelting
1324 – 'Molendinum in Erthusen' is first mentioned in official documents
1569 – 'Urban-Möller' is mentioned
1849 – The company 'Gewerkschaft Aurora Nickel-Erz-Hütte' is founded
1887 – The Aurorahütte is taken over by Johann Dietrich Wehrenbold and his son, Johannes. The new name is 'J. D. Wehrenbold & Sohn'. short WESO

Big sellers: stoves and ovens
1887 – The nickel-smelting operation is closed down and a foundry is set up
1893 – Production concentrates on stoves and ovens
1895 – An enamelling shop is built

Pioneering oil burners
1920 – Production is extended, moulding machines are used in the foundry
1930/31 – WESO develops 'Oelo', Germany's first oil stove
1938 – A cupola furnace is built
1939 – The Second World War begins, production is shut down

The post-war period and the economic miracle: oil booms, stoves slump
1945 – The Second World War ends, the production of stoves and cooking tops begins
1948 – Production gathers speed: 8,000 stoves are shipped
1954 – The era of the economic miracle: around 50,000 stoves are made
From 1960 – Central heating displaces coal-fired stoves

Foundations for the future: new concepts, new shareholders
From 1960 – WESO counters market changes by setting up a new 'custom castings' division
1978 – A good customer and partner turns shareholder: Dr Dr h.c. Hans Viessmann acquires a majority interest

On the way to becoming an all-round service provider in casting
1984 – Machining and assembly are added to the service portfolio
1996 – The foundry activities of the Justushütte are taken overConcentration in one location enhances WESO's efficiency in production and sales.
Today – The custom casting division is adding more renowned international companies to its portfolio of customers.