And apologies, I've just re-read your post... Spring was the keyword, I'll get me coat
I can’t think of any others. Surprising how few there are (were).
Here’s another for you
HS 71. Pivots rear right
Morally flawed
I have a really good condition boxed 71. Never worked unfortunately as piston washer completely degraded. Do spares exist? Steve
This one dated to about 1850, shows there is nothing new under the sun.
It was the last pistol I got from Europe before Brexit put a stop to all that but I guess that’s not what you mean ! Not much to add to geezer. Here’s the box:
The balls are fed into a container that surrounds the true barrel using the little funnel you see in the box. It’s a fun little thing but not exactly precision machinery
Morally flawed