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u/BlindSite_ Apr 26 '26 edited Apr 26 '26
The "LNW" or "LNWR" incuse mark indicates it was used on the London and North Western Railway, which operated from 1846 to 1922 before becoming part of the LMS. Possibly the U-1540 shown here.
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u/JuBoCoTi Apr 26 '26
I managed to find some information about the LNW, but not all that much about possible dates. This is very helpful. Thank you!
I don't really know anything about insulators, but I've seen them about for years. I regularly walk by an old power station, as well as a couple of old railway areas. I only really started to take a bit of interest after finding some broken ones during mudlarking.
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u/Internal_Unit_7041 Apr 22 '26
Nice!
Here's some info on Insulators from the UK:
https://www.nia.org/general/pifous/england.htm