7 Season
56 Episode
Ancient Discoveries - Season 5 Episode 5 Ancient Mining Machines
Unique technologies of ancient miners, including a Roman hydraulic system, sappers who could undermine castle walls and the 1689 origination of gunpowder mining in England.
- Year : 2009
- Country :
- Genre : Documentary
- Studio : History
- Keyword :
- Director :
- Cast : Sean Barrett
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