She didn't get bored!

[Greybeard]

.

[RichardL]

How people spend their free time is their own business.

Richard L

[RDfella]

What is that thing? Can't be a gun barrel - the bore is tiny compared with the overall diameter and the rifling is not only highly unusual, but not even symmetrical.

[Greybeard]

What is that thing? Can't be a gun barrel - the bore is tiny compared with the overall diameter and the rifling is not only highly unusual, but not even symmetrical.

Might we be looking at the face that locks the barrel to the breech?

[Greybeard]

Found a couple more pictures

[BagONails]

Yes it looks like it could have the breech locking details in it.

The main thing is that Fanny is wearing her safety dust cap so she's fine. 

[Greybeard]

Seen this?
https://en.m.wikipedia.org/wiki/Project_Babylon#:~:text=Project%20Babylon%20was%20a%20space,different%20devices%20in%20the%20program.

I've stood next to that section in the Portsmouth armoury.

[Greybeard]

The main thing is that Fanny is wearing her safety dust cap so she's fine. 

I reckon it's the same girl in both pictures.

[orabanda]

Well she would breech work place regulations these days.
A war does change things.