 A possible reaction for the decomposition of mercury(II) fulminate yields carbon dioxide gas, nitrogen gas, and a combination of relatively stable mercury salts.In the 1955 comedy film "Mister Roberts", Ensign Frank Pulver test fires a fulminate of mercury firecracker and blows up the ship's laundry spreading soap suds across three decks.In the TV Western series "Have Gun - Will Travel", Season 4 Episode 10 "Crowbait", Russell Collins plays prospector Crowbait, who is packing fulminated Mercury.