Hello. Looking for some information on my grandmother's clock that was given to me. Pretty sure it came over from England in late 1890's when her parents came to the States. My initial research and FB postings inform me this is Black Forest clock from 1830 - 1840 time. It does not run. I can start the pendulum, but it won't stay running. I have the key and tried to wind the left side. It was tight and maybe that is normal, but I only wound it a couple of clicks to be safe. The right side was tighter and I did not try to force it. I manually moved the pendulum back and forth for about 15 minutes and both dial hands moved that amount of time, so that part is working. The pendulum just won't stay running on its own. Does it need more winding?

A relative to it to a clock repair shop and they told her $800 to fix and only said a part was missing. I really want to get this running. I don't know for sure if anything is broken or missing, how can I tell. I'm a long-time machinist and pretty handy. Is there anything I can do or should be looking at to get it running? Or keep my hands off and let a professional fix it? $800 to fix it seems like a lot. What is the clocks value.

Thanks in advance for any assistance!

Chris