Seth Thomas Regulator No. 20.

This impressive oak cased wall clock measures approximately 62 inches in length. The case retains an older finish which has recently been waxed. The patina is excellent. All four finials appear to be original to this clock. The painted dial measures 14 inches in diameter and is painted on a tin pan. It is in good original condition which is remarkable for a Seth Thomas clock. The dial features an Arabic numeral time track, seconds dial and is signed by the Maker in the traditional location. The movement is brass and is very good quality. It is weight powered and is designed to run eight days on a full wind. It incorporates both a “Graham Deadbeat” escapement and “maintaining power.” The pendulum is constructed with a wooden rod and a large brass bob. The weight is also brass and matches the finish found on the bob. This example also retains a swing indicator located inside the bottom of the case. This large wall clock was made circa 1910.

Large wall clocks such as this example look very impressive in today’s offices and waiting rooms. We can have the name of your business or practice painted on the door glass. Your customers would be very impressed.

About Seth Thomas of Plymouth and later Thomaston, Connecticut.

Thomas was born in Wolcott, Connecticut, in 1785. He was apprenticed as a carpenter and joiner, and worked building houses and barns. He started in the clock business in 1807, working for clockmaker Eli Terry. Thomas formed a clock-making partnership in Plymouth, Connecticut with Eli Terry and Silas Hoadley as Terry, Thomas & Hoadley.

In 1810, he bought Terry’s clock business, making tall clocks with wooden movements, though chose to sell his partnership in 1812, moving in 1813 to Plymouth Hollow, Connecticut, where he set up a factory to make metal-movement clocks. In 1817, he added shelf and mantel clocks. By the mid-1840s, he changed over to brass from wooden movements. He made the clock that is used in Fireman’s Hall. He died in 1859, whereupon the company was taken over by his son, Aaron, who added many styles and improvements after his father’s death. The company went out of business in the 1980s.


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