This early system coined "Percussion Lock" operated in a near identical fashion to flintlock firearms and utilized fulminating primer made of fulminate of mercury, chlorate of potash, sulphur, and charcoal, which was ignited by concussion.
This early system coined "Percussion Lock" operated in a near identical fashion to flintlock firearms, although the sparking mechanism was removed and detonation was achieved through impact of the hammer. It consisted of priming with a fulminating powder made of fulminate of mercury, chlorate of potash, sulphur, and charcoal, which was ignited by concussion.