File:Culvert valve stem on Pennyfield Lock.jpg
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Original file (4,674 × 3,116 pixels, file size: 9.24 MB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:19, 21 June 2013 | 4,674 × 3,116 (9.24 MB) | Bonnachoven | {{Information |Description ={{en|1=Stem (iron rod) which connected to culvert paddle valve in lock masonry. This example comes from Pennyfield lock, a pre-1830 design lock on the Chesapeake and Ohio Canal. }} |Source ={{own}} |Author ... |
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