Sec. 12. And be it further enacted by the authority aforesaid, That every person liable to perform patrol duty on Charleston neck shall provide for himself, and keep always in readiness, and carry with him on his patrol service, one good gun or pistol in order, with at least six hall cartridges for the same, or a cutlass, under the penalty of two dollars, and ten per cent. on his general tax for the year preceding, on property owned by him on Charleston neck, for want of any such arms or ammunition, to be recovered and appropriated in the same manner as by this act fines for non-performance of patrol duty are recovered and appropriated.