C.1820, French, Extra Large Morbier, Francois Moret Bailly, Orcieres, (the retailer) crown wheel and verge escapement, with an external striking bar that transmits the strike motion not only up to the bell on top, but a rod may also be run down(or up) to the next floor.
Bailly, Francois Moret
Wall Wag On Wall
France
October, 22 2006