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| Date/Time | Thumbnail | Dimensions | User | Comment |
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| current | 08:25, 21 April 2009 |  | 1,358 × 1,828 (2.24 MB) | Pterre | {{Information |Description={{en|1=30 MW Parsons steam turbine in Hackney A power station, 1932.}} |Source=Scanned from Winchester C (1937), 'Wonders of World Engineering', facing P 1434 |Author=Not credited |Date=1937 |Permission={{PD-UK}} |other_versions |
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