Filing appliances with means for engaging perforations or slots having a set of rods within a set of tubes for a substantial distance when closed the nesting portions of the rods and tubes being straight with the rods locking in the tubes
Filing appliances with means for engaging perforations or slots having a set of rods within a set of tubes for a substantial distance when closed the nesting portions of the rods and tubes being straight with the rods locking in the tubes