[Linked Image from i.imgur.com]

Circa 1866. The side-opening system is Lang's Patent No. 46. I've never seen another like it.

[Linked Image from i.imgur.com]

Not bad for 157 years old. Love those fences...

[Linked Image from i.imgur.com]

And here's the best part...cocking those non-rebounding hammers from half-cock is a piece of cake.