The invention of the water pillar, water pump machine, by Jozef Karol Hell in 1749, played a big part in Banska Stiavnica becoming one of the biggest centers of silver mining in Europe, during the latter half of the C18th.
His first machine could pump water up from the depth of 212 meters. Hell then continued to build a serious of pumping machines, between 1749-1768, which were among the best technology in this field, worldwide.
Andy Warhol | Pavol Orszagh Hviezdoslav | Master Pavol of Levoca | Jan Bahyl | Rev. Jozef Murgas | Stefan Banic | Wolfgang von Kempelen
Jozef Karol Hell | Jozef Maximilian Petzval | Alexander Dubcek | Andrej Hlinka | Milan Ratislav Stefanik | Ludovit Stur | Matus Cak
Prince Mojmir | Prince Pribina | Anton Bernolak | Cyril and Method | Juraj Janosik | Lubomir Moravcik | Jozo Raz