Thanks for nice complements, Guys! Rayraz: The yellow rod is just a guide. It marks the centre-line for the wheels and axles which just happen to coincide with the centre of the buffers.

Here's the latest. It's what I would call an 'Oiler', a device to pass lubricating oil to the various moving parts of the loco. Not highly detailed I grant you, but I have no close-up referance shots that would give me a better idea of what this thing looks like. There are four of them on each side of the smoke box.

BTW, if anyone has a decent .mat that looks like copper I'd love to hear about it.

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All the Woes of a World by Jonathan Icknield aka The Bryster

And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...