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R A Pendulum 31 Day Wall Clock /Hour and Half Hour Chime /Possibly Korean Made Unknown Age

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Wall Clocks19 of 153Johann Baptiste Beha,   1875,  heavy carved, 8-day,  twin fusee, mantle cuckoo clock.  (with wall bracket) My vintage whind up music box and my Westinghouse quartz pendum clock;  All working.  These items are just two of many.,,..The.
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Posted 7 months ago


(531 items)

Found another nice clock today,but not much else the last few days. It bears a striking resemblance (pun intended) to my other D and A Regulator clock I found last month. I'm pretty sure it's Korean or Chinese as there are no names on the face or movement except "no jewels" They both have that coiled gong chime which counts the hour and strikes the half. This one is a bit mellower and much bigger and slimmer at 32". The case is really nice. It's a satin mahogany finish with ebony colored finials. The column flutes have black accents and acanthus leaves. Quite stylish. It's being a bit finicky about running. They left the pendulum on and it runs an hour and stops despite my oiling and trying to set the beat. It was fully wound so maybe it just needs a bit of TLC to keep it running till things loosen up. It's probably been sitting for quite a while. -Mike-

Courtesy of All Experts :
The R A on the pendulum stands for: retard/advance. It is a common pendulum bob, used by many manufacturers, worldwide. As a rule of thumb, the thread on rating nut is designed so that one full turn changes the clock about 2 minutes per week.
This clock was probably made in Korea. They were made in both eight day, and thirty one day configurations, but they share many things in common. They all have what is known as a self-regulating beat mechanism. That means the clock, once hung on the wall or set on the shelf, and properly started, will find its own "happy medium" where the tick and tock are even enough that the clock will keep on running. They all are designed so the striking is self-correcting; that is, the hour struck will automatically correct after the clock has been reset.


  1. mikelv85 mikelv85, 7 months ago
    After a few bouts of stopping every hour looks like it's stabilizing. Ran all night and still going strong this morning. Keeping decent time too. Trying to sync the two clocks to strike at the same time is almost impossible. They're about a 30 seconds apart. :)

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