*All of these are to the same scale except for the tin. The tin is about half the scale as the rest of the items.
Top Left: Primer for reloading pinfire shotshells. They are made to fit the recess in the nose of a standard pinfire reloading tool. The tin is what these came in.
Top Left 2: Large primer for a pinfire revolver cartridge.
Top Right: These had two uses. Use one was for re-priming a misfired shotshell without having to unload the round. The cap is small enough to be able to fit through the hole. The main use was just for reloading in general. Using these eliminated the need for the re-priming tool. They would have came in a container such as this:
Bottom Right: Boché primer-pin by Le sieur Boché aîné, fabricant de cartouches a Paris. It was meant to be an improvement on Lefaucheux’s system. It has the priming compound inside the pin.