Seth Thomas Rosewood Drop Octagon (Schoolhouse) Clock

June 24, 2014 | By | Reply More

Here’s a beautiful Seth Thomas drop octagon clock in a rosewood veneer case. The clock is 24 inches tall and 16 inches wide. The dial is painted metal. The minute hand is 5 15/32 inches long, and the dial’s minute track is 11 inches diameter.

The clock is time-only (no striking).

Label inside the case

Label inside the case

Seth Thomas movement

The well-made Seth Thomas time-only movement.

Seth Thomas rosewood drop octagon clock

Seth Thomas rosewood drop octagon clock

See more pictures.

Repair job 6237. I polished the pivots and installed 3 bushings. The movement didn’t have much wear.

Mainspring

This clock has a nice, thin original mainspring. It is only 0.0152 inch thick! (compare this to the more usual 0.017 – .018 inch thick). It provides plenty of power to run the clock, reduces the amount of wear, and makes the clock easier to wind. The mainspring is 11/16 inch wide.

American antique clocks in general tend to have mainsprings that are too strong, but this clock is an exception.


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Category: American Clock Mainsprings, American Clock Repair

Last updated: June 22, 2014

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