1917 Cal. Sess. Laws 221-225, An act relating to and regulating the carrying, possession, sale or other disposition of firearms capable of being concealed upon the person; prohibiting the possession, carrying, manufacturing and sale of certain other dangerous weapons and the giving, transferring and disposition thereof to other persons within this state; providing for the registering of the sales of firearms; prohibiting the carrying or possession of concealed weapons in municipal corporations; providing for the destruction of certain dangerous weapons as nuisances and making it a felony to use or attempt to use certain dangerous weapons against another, § 5.

SEC 5. Any person who attempts to use, or who with intent to use the same unlawfully against another, carries or possesses a dagger, dirk, dangerous knife, razor, stiletto, or any loaded pistol, revolver, or other firearm, or any instrument or weapon commonly known as a blackjack, slungshot, billy, sandclub, sandbag, metal knuckles, bomb, or bombshell or any other dangerous or deadly instrument or weapon, is guilty of a felony. The carrying or possession of any of the weapons specified in this section by any person while committing, or attempting or threatening to commit a felony, or breach of the peace, or any act of violence against the person or property of another, shall be presumptive evidence of carrying or possessing such weapon with intent to use the same in violation of this section.