John Prentiss Poe, The Maryland Code. Public Local Laws, Adopted by the General Assembly of Maryland March 14, 1888. Including also the Acts of the Session of 1888 Incorporated Therein, and Prefaced with the Constitution of the State, at 468-69 (Vol. 1, 1888), Concealed Weapons, § 30

Abstract

Prohibited the carrying of a concealed pistol, dirk knife, Bowie knife, slungshot, billy, sandclub, metal knuckles, razor, or any other dangerous or deadly weapon. Punishable by fine of up to $500 or imprisonment of up to 6 months.