This is an old revision of this page, as edited by EscapeArtistsNeverDie (talk | contribs) at 01:17, 8 December 2005. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Jozef Karol Hell (German: Joseph Karl Hell) (1713-1789) – was a Slovak mining engineer and inventor who, in 1755, invented the water-pillar, the world's first water pump machine. It is mainly used today for oil extraction.
