This is a nice Lady pocket watch with a nice chain and a pendant with a picture Frame.
We are not sure but suppose the watch was made in USA or for the american market, anyway we could not find JS&F in the European trade mark Indexes.
Here are some pictures of the watch, maybe somebody here in...
Silicone in or on a movement is also a big problem for soldering.
If anybody had used a silicon lubricant in the past it's difficult to solder on any part of the movement.
The tin not longer combine with the brass or steel and no flux what I know can solve this problem.
I think it's better to do the service first (cleaning and check of bushings and pivots) and than make the decision if a new mainspring is necessary or not. :)
Hello Alex,
do you know the minimum possible spring force for driving the clock? I dont really know it but im fear the needed weight to replacing the springs will be verry heavy. An other problem could be the size of the housing. Normally the housings of weight driven clocks are longer than the...
The mark FC in a circle was used from Gaston Japy in Beancour, France.
I found this at http://www.mikrolisk.de/show.php/280/letter_F but unfortunately this is a german website. :(
Chris
thats correct and the worms are also more active at lower ambient temperatures but -20°C (the normal freezer temperature) are normally not reached in the regions where the worm live and 2 days shoud be long enough to saturate every wooden clock case. I self have used this method 2 times and it...
An other possibility to kill the wood worms is to put the housing in a freezer for two days. But for a vienna regulator I fear you need a verry large one.
ng Chris
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