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Clocks, Watches/Hamilton wall clock, Lancaster County model

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Question
Hi:
I received my wall clock in 1991 at my 25th year with IBM. It has been clean & oiled twice. It's a 3-hole winder, and the center winding mechanism has stopped functioning. I think the pawl or the cog that holds the tension has broken and it will not hold the spring tension. I can't find a local repairman, and am thinking about opening it up myself.
Can you buy replacement parts for these things or do you have to replace the movement? It's about 32" tall, and would be a bear to pack up and ship away.
From what I can see, Hamilton is out of business, so that avenue is closed.
Any info you can provide will be appreciated. I really like this clock and it's chimes. It's much more mellow than any other wind-up clock I have heard.

Thank you.

Answer
Chuck, many companies such as Hamilton ceased producing clocks, but that is not really a problem.  The movement was made for Hamilton by probably Hermle or Kieninger.  I have worked on some of these that used a Hermle movement, probably model 351-030 or similar.  This model would have the side chime hammers.  There is a ratchet pawl on the winding arbor and the retaining spring has probably broken or bent.  If it has bent, it is not a good idea to reform it to the original position.  It could be weakened and will be susceptible to breakage.  The movement can be removed from the case and taken or sent to a clockmaker.  If you will give me the area in which you live I will see if there are any of our Internet Clocksmiths Group members near you.  It would be best to have the movement checked, as when a mainspring lets go, it can possibly damage some adjacent parts.  Contact to my email address below and I'll check on some things for you.

John Newman
THE VILLAGE CLOCKSMITH
Old Prattvillage
Prattville, Alabama

klokdok@juno.com

(Due to the number of Allexperts questions and
the workload I have at my clock shop, I regret
that I cannot answer personal email questions on a timely basis
other than Allexperts follow ups.)  

Clocks, Watches

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John Newman

Expertise

As much as I would like to offer values of clocks, I am not a certified appraiser and will not venture into giving an unresearched guess. There is very little published information on what I consider to be the value of "modern production clocks". Considerations are what the clock originally sold for, the condition of the case and movement, and particularly the area in which you live, the demand and the economy. ALSO, WATCHES ARE NOT MY FIELD. However, I can advise the clock owner on proper maintenance of a clock to keep it running, small corrections and adjustments and how to move a clock without damaging it. I can also advise on obtaining parts for clocks. It helps if you can send any information on the clock movement which is usually found on the back plate of the movement. I have been a clockmaker for about 35 years and was plant engineer in the mid 90's and later operations and engineering consultant at Emperor Clock Company in Fairhope, Alabama. I now have my own clock shop.

Experience

One of my greatest accomplishments was traveling to China to assist a clock factory in building clocks to the standards which we required. With the proper specifications and quality control, some beautiful clock cases were built. The factory people from the wood carvers to the plant manager were very congenial, friendly and I left a lot of wonderful friends when I returned from my trips.

Organizations
NAWCC (National Association of Watch and Clock Collectors) 30 years Prattville, Alabama Chamber of Commerce

Publications
Horological Times, a publication of the American Watch and Clockmakers Instute. Collaberated column author, with Photos and ideas for clock movement conversion article.

Education/Credentials
Associate of Science Mechanical Engineering Technology Emperor Introductory Clock Repair (Eventually taught a portion of the class after becoming employee)

Awards and Honors
Small Business of the Quarter (Prattville, Alabama) Leadership Class of 2009 (Autauga County, Alabama)

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