Ansonia Brass and Copper Company Round Gothic Shelf Clock

This round gothic shelf clock has a paper label saying “Ansonia Brass and Copper Company, Ansonia, Conn.” This company made clocks ca. 1869 to 1877. The brass movement is stamped “Ansonia Clock Co. Ansonia Conn. U.S.A”. It appears to be all original, including the reverse painted glass. I love seeing a nice original painted dial on a clock this old.

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Repair job 8041. I polished the pivots and installed 12 bushings. The mainsprings are original and are rough steel with rolled ends (instead of an riveted on loop).

The time mainspring is 3/4 inch wide by 0.019 inch thick, which is very thick. However, it is weak (but strong enough to run the clock) so it didn’t cause much wear to the time mainwheel teeth.

The strike mainspring is 3/4 inch wide by 0.015 inch thick. This is on the thin side, but it runs the strike with plenty of power.

Both mainwheel teeth have very little wear (5% on the time and 10% on the strike).


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