1915 N.H. Laws 180-81, An Act to Revise and Amend the Fish and Game Laws, ch. 133, pt. 2, § 18.
A person who violates a provision of this part is guilty of a misdemeanor and shall be fined as follows . . . [p]rovided, however, that a person violating the prohibition against setting a spring gun the object of which is to discharge a firearm, shall be fined not more than five hundred dollars nor less than fifty dollars, and shall be liable for twice the amount of the damage caused by his act, to be recovered by the person sustaining the injury or loss.