Assertion: mercury fulminate | /r/ObjectUse | used as a priming composition
Facets:
value: in small copper caps
type: LOCATION
value: after the
type: TEMPORAL
Source sentences:
text: First used as a priming composition in small copper caps after the 1830's, mercury fulminate quickly replaced flints as a means to ignite black powder charges in muzzle loading firearms.
text: First used as a priming composition in small copper caps beginning in the 1820s, mercury fulminate quickly replaced flints as a means to ignite black powder charges in muzzle-loading firearms.