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| Science & Technology |
| Oil Field Bandwheel Central 'Power' (video) |
| 2023-07-30 |
| [YouTube] Many of these 'powers' were operated by natural gas from a wellhead. Rod lines running out into the field operated pump jacks. A sort of perpetual motion machine. Few remain in operation today. 'Technology' from a bygone era. |
| Posted by:Besoeker |