Famous American clockmaker Seth Thomas began his career as an apprentice to renowned clockmaker Eli Terry in , but by , he had purchased the clock factory from Terry and had begun producing his own clocks. Identifying a vintage mantel pendulum clock by Seth Thomas is sometimes difficult since he often hid the pendulum behind a small wooden door or delicately painted glass. Thomas started making shelf and mantel clocks in with pillar and scroll cases and a scene painted on the bottom third of the case. By , the frame of an Thomas mantel clocks was often constructed in a deep, rich, dark mahogany wood. Examine your mantel clock for the type of wood used in its production.
The Seth Thomas Clock Co. There are several techniques you can use to identify a Seth Thomas clock, from the unique date stamp to the trademark symbol. Research the history of Seth Thomas clocks. There are a number of guides you can browse online that note specific makes and models of Seth Thomas clocks throughout history. Many of these guides come with pictures you can study to help identify your timepiece visually.