Seth Thomas 30 hour half-column front Style Series
30 hour weight driven half-column shelf clocks. These clocks are weight-driven, with the strike weight on the left and the time weight on the right. They use the same movement as Seth Thomas 30-hour OG clocks.
There are 3 styles in the Seth Thomas 30 hour half-column front Style Series
Reverse painted glass tablet is shorter than the dial.
ca. 1850 - ca. 1860
Reverse painted glass is taller than the dial, and it has an OG molding in the bottom front with corner blocks on each side.
ca. 1860 - ca. 1862
OG molding at top and bottom wraps around the sides.
ca. 1862 - 1909