11-02-15, 01:27 PM
+1 ... interesting
Good photo, thanks for putting that up.
I have wondered what the internal structure is like
That answers it nicely :thumbup
And supports the idea of silicone sealant on the outside for older ones when that mild steel cap starts to go.
Good to see the insides
Good photo, thanks for putting that up.
I have wondered what the internal structure is like
That answers it nicely :thumbup
And supports the idea of silicone sealant on the outside for older ones when that mild steel cap starts to go.
Good to see the insides