It's a minute wheel for a striking clock. The blue post screws onto the main plate. The wheel carries the minute hand and also triggers the striking mechanism via the steel pin which is riveted to it.
Chapeau, how many hours have got invested in that piece?
@inchpincher started
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It's a minute wheel for a striking clock. The blue post screws onto the main plate. The wheel carries the minute hand and also triggers the striking mechanism via the steel pin which is riveted to it.