(15 May 2015, 6:20 am)Andreos1 wrote I have no idea. Wasn't too familiar with those parts nor the services which ran around them, until a few years later.
Providing it went through the hole, I am guessing it was something small.
I'm going to guess 'the hole' is beyond the termini of the 156.
So, in the scan above, the hole would be the bit where the 157 loops around Barnwell?