I pulled this out in two halves about 45 minutes apart from each other. The second half had numbers on it that I thought could be a date, but on further inspection of the first half it looks like the numbers continue on it, so unfortunately I don’t think this was cast in 1828.
I got far more than I was expecting at this spot, given that it’s on the edge of a village rather than city centre, including a still working fire extinguisher:
A car stereo amongst some other bits:
And the most nails I’ve ever found in a single trip by far, with the stuff I didn’t find particularly interesting:
My guess, something like that
That sounds very plausible, I can imagine the four tabs around the opening clamping down on the bollard, with a slot at each corner to bolt it down. Also it’s something that would probably be thrown in the canal after being illegitimately removed.
Porthole?
Kind of looks like the base for a road cone but I always thought those were rubber
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The weight of it would make it a pretty impractical traffic cone, it’s almost an inch thick cast iron
That’s metal my guy.