Kevin T of NB Tranquility got it. It is the breather for the ground paddles on a lock on the Huddersfield Narrow Canal. The pepperpot-shaped device seems to serve as a bollard or strapping post too.
This is at Lock 12W.
Braunston 2017 - Arrived 4.30. Purchased patchwork trousers and brass items. Ate tea. Went to beer tent. Talked to lots of people. Excellent. Now retiring to the distant st...
3 hours ago