Electro - you're a star!
I know about the gasket/ (steam-gland packing IIRC)  - god knows I've re-packed enough of them in the navy. ;-) I do have pics of the other side.
Many thanks for the link.

Available on Amazon for the Kindle E-Reader

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...