Special Features:

Cres, alum and cast or forged bronze throughout, except wrought bronze or cres cross bar and vertical rods, two keys for locking cross bar in depressed position;

Properties:

A bolt with a vertical two-piece rod, which is joined together in the active case, extending in opposite directions from the case. The rod slides in guides and is thrown by means of a horizontal cross bar on the inside of the door and may be thrown by a handle, knob, lever, bar or key on the outside of the door. It may be equipped with a lock or latch; the two-piece rod may be locked in a retracted position to permit the door to be operated from inside or outside.