Seth Thomas “Eight Day Half Hour Strike”

Seth Thomas clock that has paper in the back that says Eight Day Half Hour
Strike . Has 5 7/8 ½ stamped on the movement plate (lower strike side) . The strike
mainspring and the time mainspring are the same. .018in. by .690in. by 116in. long. The
suspension spring is .003 inches strong by .250 inches wide by .860 inches long
(pin to pin) . The leader plus susp is 6 5/8 inches long ; the pendulum is 2.5 inches
in diameter and weighs 5.5 ounces. the length of the adjusting threads is 7/8 inches ;
the length of the brass portion of the suspension is 5.5 inches. This particular
mechanism has a retaining lever that holds the strike trip lever stable . It rides on
the shaft of the idler gear in the time train. There is a steel pin protruding from
this lever that allows the trip lever to rest on it. This clock has an alarm in it .
The spring for the alarm is
.250 inches wide and .012 inches strong and when fully wound the spring has a
diameter of .660 inches.