This hanger is for a 5' tall regulator with a large heavy bob. It looks like it has been broken for a while, because the crack is now bent out of alignment. I'm afraid to bend it back because it might break somewhere else. What is the best way to fix this? I was thinking of sandwiching two thin sheets of brass around the crack with metal epoxy inside. Or, one thicker plate drilled with pins or screws. I'm afraid of applying heat, because there are other repairs, and I don't know how they were made. This is from a clock made around 1813, maybe older. Thanks for your help, any repair pictures of something similar would be helpful.
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How you repair this will determine the value of your clock.
If I were repairing this, it would be as follows
(1) The parts pointed out by the three arrows at #5 appear to be poorly made shop parts soft soldered in place. I would remove these and remove all traces of soft solder.
(2) The arks in pieces #3 and 4 may or may not be original. They would be left as is or straightened depending on research of the original configuration.
(3) The bottom indicated by the three arrows would be remade as one piece based on original appearance .
(4) It can then be high temp silver soldered in place and dressed invisible. If you cannot solder, I would suggest visiting a local welding shop and get a reference on someone local who can silver solder.
(5) while I cannot see the joints at #1 and 2, they should be reviewed and addressed if required.
Per your request on photos, the second third and fourth give an idea what can be accomplished with high temp. silver solder when working with brass.
The second shows a part from an expensive tower movement as I received it missing a broken off section.
The third shows the completed repair where the missing section was machined and then silver soldered in place. The repaired area was then blended with the original using a bead blaster.
Fourth photo shows the part installed.
The customer elected to allow the part to naturally age or it would have been aged invisible