We recently purchased an ornate Baroque wall clock which was working perfectly fine at the store. When we got it home and put it on the wall, we discovered that the crystalline chime it makes each half-hour had disappeared. I assumed that it was a minor issue, so I opened it up carefully, after which I discovered that the hammer which struck the bell inside the mechanism had gotten stuck during the transport. After I got it unstuck, the clock started chiming again. Not an earth-shattering discovery but we were happy. Here’s a look at the process: