Philadelphia, PA (LN)
10-810. Weapons and Dangerous Devices.
1. Discharging Firearms. No person shall fire or discharge recklessly and without reasonable cause any rifle, gun, pistol, or other firearm.
2. Water Pistols, Electric Canes, and Miniature Cannon.
1. No one shall sell or offer for sale water pistols, electric canes, miniature cannon, or similar articles.
2. No one shall use water pistols, electric canes, miniature cannon or similar articles in any street or public place.
3. Spring Guns, Air Guns and Bows and Arrows.
1. No person shall sell, offer for sale at retail, or use, or possess with intent to use, any air gun, spring gun, or any implement not a firearm which forcefully impels a pellet of any kind.
2. No person shall sell, or offer for sale, at retail, any bow and arrow, to any person under the age of twenty-one (21) years unless the seller first obtains written evidence of parental consent to the proposed purchase by the minor.
4. Switchblade Knives. No person shall sell, offer for sale or carry any knife with a blade which is released by a spring mechanism including knives known as "switchblades."
5. Incendiary Paper. No person shall manufacture, sell, offer for sale, carry or store any incendiary paper that has been chemically treated to vanish at the touch of a flame, including paper known as "flash paper."
6. Penalties. Whoever violates any provision of this Section or Section 10-821 shall, in addition to other penalties provided, forfeit the weapon, contraband, or dangerous device giving rise to the violation of such section.
7. Confiscation. Police officers shall seize and deliver into departmental custody any air gun, air pistol, spring gun, switch blade knife, incendiary paper, contraband weapons, accessories and/or ammunition or other implement which shall be used, discharged, possessed, offered for sale or carried in violation of Section 10-810 or Section 10-821.
1. Unless otherwise provided, the penalty for violation of any Section of this Chapter is a fine of no less than one hundred fifty ($150) dollars nor more than three hundred ($300) dollars or imprisonment not exceeding ninety (90) days or both.10-820. Cutting Weapons in Public Places. 
Cutting Weapon. Any knife or other cutting instrument which can be used as a weapon that has a cutting edge similar to that of a knife. No tool or instrument commonly or ordinarily used in a trade, profession or calling shall be considered a cutting weapon while actually being used in the active exercise of that trade, profession or calling.
2. Prohibited Conduct. No person shall use or possess any cutting weapon upon the public streets or upon any public property at any time.
3. Penalty. The penalty for violation of this section shall be a fine of not less than three hundred (300) dollars and imprisonment of not less than ninety days.
10-822. Carrying of Weapons in or on Public and Private Buildings. 
Weapon. Any firearm as defined in Bill No. 2690, approved August 17, 1967 (1967 Ordinances, Page 896), and any other weapon as defined in Bill No. 544, approved August 26, 1968 (1968 Ordinances, Page 906).[note: this is the cutting weapon definition above]
2. Prohibited Conduct. No person shall possess any weapon in any educational institutions except:
1. private security guards;
2. City, State or Federal law enforcement officers;
3. State or Federal military forces on active duty;
4. members of any reserve officers training corps, color guards and drill or rifle teams, when engaged in lawful organizational activities;
5. any person authorized by law enforcement agencies to possess weapons.
3. Penalty. The penalty for violation of this section shall be a fine of not more than three hundred (300) dollars or imprisonment of not more than ninety (90) days, or both