Ansonia “La Vinda” Royal Bonn China Clock

I just repaired this beautiful mantel clock. It is an Ansonia named “La Vinda” in a Royal Bonn china case. The escapement visible in the center of the dial is fascinating to watch. The 8-day movement strikes the hour and half-hour on a coil gong.

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The case is 11 15/16 inches tall and 14 1/4 inches wide. The dial’s minute track is 3 23/32 inches diameter, and the minute hand is 1 7/8 inches long.

This Ansonia clock movement is very efficient, and needs less power to run than many American antique clocks. For this reason, in has very thin mainsprings:

Time Mainspring: 5/8 inch wide by 0.0142 inch thick

Strike Mainspring: 3/4 inch wide by 0:0145 inch thick

Repair job 6100. I polished the pivots and installed 10 bushings.


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