Franklin Co. Historical Society - located in the Old Jail, built in 1818. Museum/Genealogy Library/Education/Preservation https://t.co/UXMtWdeF9Q The Franklin County Historical Society in Chambersburg, Pennsylvania, is a repository of local history and culture. The society serves as a resource for historians and the community at large, preserving the rich heritage of Franklin County. Mission Statement: The object of the Franklin County Historical Society – Kittochtinny shall be to foster increased knowledge of the history of Franklin County and the Cumberland Valley through a museum and library, to publish papers of the corporation at irregular intervals, to oversee property and assets received, and to promote preservation of historic sites.The Franklin County Historical Society – Kittochtinny is a non-profit organization, founded in 1898 to collect, preserve, and make available to the public materials relating to the historical development of the Cumberland Valley, its people, and, even more specifically, to Franklin County. It offers the use of its library and archives to both the serious researcher and the general public during hours of operation.The Society is responsible for the Old Jail museum, the John Brown House, the Brown's Mill School, the Chambersburg-Bedford Turnpike Tollhouse and the Carrick Furnace.