József Károly Hell
1713 – 1789
Who was József Károly Hell?
Jozef Karol Hell was a Hungarian mining engineer and inventor, who invented the water-pillar in 1749. It is mainly used today for oil extraction. He also proposed construction of the tajchy reservoirs around Banská Štiavnica. He was a student of Samuel Mikovíny in 1737. Regardless of his nationality, he is a pride of both Hungarian and Slovak nations.
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