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Ansonia Gold Medallion Mantel Clock 1050-021 Runs Too Fast

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Ansonia Gold Medallion Mantel Clock 1050-021 Runs Too Fast

Postby Gestur » Fri Dec 02, 2016 12:15 pm

I have a gold medallion ansonia mantel clock that is about 15 years old.  It has always run too fast(very fast about 1.5 hours in 24 hours).  How can I adjust ?
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Ansonia Gold Medallion Mantel Clock 1050-021 Runs Too Fast

Postby Jerardo » Sat Dec 10, 2016 12:24 pm

Type of clock and brief history of Ansonia(long answer):  Your clock is probably the one with the brass and beveled glass, sold by the Ansonia Clock Company in Lynnwood, Washington.  There is a long history of the Ansonia company that originated(1850) under another name in Bristol, Connecticut, later became Ansonia, moved operations to New York, and burned, a couple of times throughout these time periods.  The company was sold and moved to Russia.  In the late 1970's the Ansonia trademark was acquired by a company in Lynnwood, Washington and they ceased doing business a few years ago.  

Your movement was manufactured for the Lynnwood Ansonia company by Hermle and the regulator is a balance assembly rather than a pendulum.  The earlier models used a floating balance with a vertical spiral spring and later the balance wheel, like found in a watch.  I have a feeling yours has the balance wheel, which can be adjusted for minor rate changes.  However, an error of 4 minutes an hour is a little high and might be out of the adjustment range, meaning that there could be a mechanical problem with it.  It could be that the coils of the hairspring are touching or there could be oil/debris in the coils or pivots.  If this is the case, depending on the condition of the balance assembly it would need to be serviced or replaced.  This would require the services of an experienced clockmaker that is familiar with these regulators.  

In answer(short one) to your question, the balance wheel has a very small screw at the top right of the balance wheel.  Looking from the back of the clock, it turns clockwise to decrease the rate and counter-clockwise to increase the rate.  One complete turn equals about 1 minute per day change.  

If you have any more questions, get back with me.

John Newman


Old Prattvillage

Prattville, Alabama  
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