objectLockObjectsA fastening that holds by key, ward, or tumbler. Not every named lock specialty, and not seal as a mark alone.Lock is historically related to Iron.Price’s treatise on locks seats iron and steel among ordinary lock metals of ward and tumbler work. A named lock beside iron, not every named lock specialty alone.from George Price · Treatise on Locks and Keys, 1856historically related to · sourced · documentedsourcesTreatise on Locks and Keys · George PriceGeorge Price, A Treatise on the Construction of Locks and Keys (1856).