Murder, &c. § 7. Be it further enacted, That if any person shall voluntarily engage in a duel, with rapier, a small sword, back sword, pistol, or other dangerous weapon, to the hazard of life, when no homicide shall ensue thereon; and if any person shall, by word, message, or in any other manner, challenge another to fight in a duel, as aforesaid, when no duel shall be fought thereon, every such offender, and every person who shall be knowingly a second, agent or abettor in such duel or challenge, upon due conviction of either of said offences in the …