depth gauges on a wall at the side of a shipping or boat lock to show and measure the depth of water in the lock or marina.
depth gauges and measuring sticks marked with the height of wter on the side of a water lock into a boat and small craft marina in central london.
Size: 3200px × 4800px
Location: St Katharine dock, London, UK
Photo credit: © Steve Hawkins Photography / Alamy / Afripics
License: Licensed
Model Released: No
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