Seth Thomas "Regulator No. 7." Wall clock.

This 1-weight wall timepiece is a difficult model to find. This case is mahogany and retains its original finish. The dial is tin and features a large Roman numeral time track, a subsidiary seconds dial, and the Maker's name in large block lettering. The 80 beat movement is brass and of good quality. It is weight powered and is designed to run eight days on a full wind. It features a "Graham Deadbeat Escapement" and "Maintaining Power." Because it has an 80 beat movement, the pendulum rides around 4 four inches off the bottom of the case. This results a more pleasant presentation than the regular 72 beat movement. The standard 72 beat movement puts the pendulum in viewing competition of the door. The pendulum is constructed with a wooden rod and a zinc bob which is covered in brass. This is designed to compensate for changes in temperature. The weight is also brass covered and matches the coloring of the bob. Note this clock retains its swing indicator which is mounted to the backboard of the case.

This clock measures approximately 45 inches long. For an additional reference, please see Tran Ly’s book titled Seth Thomas Clocks and Movements, page 285.

About Seth Thomas

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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