escape wheelen.wikipedia.org/wiki/Escapement
um chime, obvious, the bonging thing in a mechanical clock. The snail is a sort of snail shaped thing that controls how many bongs you get and the fly is something that regulates the speed of the bongs.
z.about.com/w/experts/Antique-Clocks-3526/2008/04/Rack-snail.jpg
(,
Sun 31 Aug 2008, 13:57,
archived)
um chime, obvious, the bonging thing in a mechanical clock. The snail is a sort of snail shaped thing that controls how many bongs you get and the fly is something that regulates the speed of the bongs.
z.about.com/w/experts/Antique-Clocks-3526/2008/04/Rack-snail.jpg