In 1761, almost 50 years after the invention of porcelain manufacturing by Ehrenfried Walter von Tschirnhaus and Johann Friedrich Böttger, Johan Wolfgang Hammann from Katzhütte applied to the house of Scharzburg-Rudolstadt for the concession of porcelain manufacturing.
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Unfortunately, only three days previously this concession had been granted to Heinrich Macheleid in Sitzendorf, so Hamman’s request had to be rejected.