It's the original workings of the clock. It is a wound clock. So the architect of the Capitol still comes up here every week or so to wind the clock. So it only has to be wound once a week. About that, roughly. It was about 1898, I think, that this was finally installed. I'm just going to make the assumption it wasn't built in China, because this actually lasts. (00:39–00:42)
CLAIM
Asserts that the clock only needs to be wound once a week.
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