It is a "Trade Brand Name" shotgun made by English gun maker Joseph Bourne & Son. There should be English or British proof marks for the Birmingham proof house (Crown over either the letters "RP" or "NP" depending on when the gun was proofed). Proof marks should be on the bottom of the barrels. They made medium and high quality shotguns. The vast majority were exported to Southern Africa and India.
Reference books, experience
Percussion (cap lock) rifles, pistols, and shotguns. Thee were still flintlocks around, but being converted to caplocks.
Percussion cap ignition in muzzle loading firearms was introduced around 1830.
Rifled muskets, shotguns, and pistols. Not automatic pistols, and not revolvers, just one or two shot pistols. The rifles and shotguns were probably flintlocks- the percussion cap was just about to become popular. They were big, heavy, and fairly expensive- and they did not like wet weather.
a rifle cap.
Standard #11 cap
It should be a #11 cap.
An amorce is a hint about the future, or a percussion cap or detonator.
No
I believe these used a musket cap- larger than standard percussion caps- shaped a bit like a top hat.
A percussion cap box is a small container specifically designed to hold percussion caps. Percussion caps are metal cylinders that contain a small amount of explosive material used to ignite the gunpowder in a firearm. In "Tom Sawyer," these caps were likely used for loading rifles or pistols.
Guns The Evolution of Firearms - 2013 From the Flintlock to the Percussion Cap 1-2 was released on: USA: January 2013