John Purdon, A Digest of the Laws of Pennsylvania, from the Year One Thousand Seven Hundred to the Twenty-First Day of May, One Thousand Eight Hundred and Sixty-One Page 250, Image 279 (1862) available at The Making of Modern Law: Primary Sources.

§ 6. If any person shall threaten the person of another to wound, kill or destroy him, or to do him any harm in person or estate, (b) and the person threatened shall appear before a justice of the peace, and attest, on oath or affirmation, that he believes that by such threatening he is in danger of being hurt in body or estate, such person so threatening as aforesaid, shall be bound over, with one sufficient surety, to appear at the next sessions, (c) according to law, and in the meantime to be of his good behavior, and keep the peace toward all citizens of this commonwealth. (d) If any person, not being an officer on duty in the military or naval service of the state or of the United States shall go armed with a dirk, dagger, sword or pistol, or other offensive or dangerous weapon, without reasonable cause to fear an assault or other injury or violence to his family, person or property, he may, on complaint of any person having reasonable cause to fear a breach of the peace therefrom, be required to find surety of the peace as aforesaid.