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This is for advice only. ~Most~ repairs need a professional. If I can help you with an adjustment that can set your clock back in order I will try. I can not write a chapter on clock repair. I will point you in the right direction and you will have to do your own research on how clocks work for more intense repairs. -No Watches -No Appraisals. Search ebay for past sales for that information.

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29 years repair experience


Certified Horologist

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    K = Knowledgeability    C = Clarity of Response    P = Politeness
David11/21/16101010Very quick response which is much appreciated .....
FRANK11/11/16reference site was useless.
Doris09/18/16101010Marilyn has been extremely helpful and is .....
Barbara 08/02/16101010thank you so much for your time .....
Dana Harenza06/23/16101010Thank you Marilyn for your very prompt .....

Recent Answers from Marilyn Bellotti

2016-12-30 Beats per hour:

Clockmakers Beat Book.   There is a 2015 version available.   Here is a useful tool for clock repair:    Here is an older copy of the beat book  http://www

2016-12-27 Beats per hour:

Hi Jeff,     That movement has 4247 beats per hour.   0.8477 beats per second.     I cheated. I have a book that tells me this information.   I'm sure there is a formula on line that will tell you   how

2016-12-19 waltham clock movement:

Hi Tommy,     Those 31 day movements are a bit hard to find.   Some of them have a long hand shaft.   Some of them a shorter hand shaft.   You would also need to know the pendulum length.     -You can

2016-11-21 Verichron Westminster Chimes:

Hi Mark,     I'm attaching a photo of a mechanical clock. They are all the same but different.   There is a lever on the right that moves up and down. Up stops the clock from chiming.   Down allows the

2016-11-20 age, type and origin of clock:

Hi David.     The pendulum length is what regulates the time keeping of the clock  Sliding the pendulum up on the stick will make it go faster.   Lowering it on the stick will make it go slower.   Sometimes


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