This is a very interesting item. It shows how the escapement of the Ball watch operates. This fine example in one unit, shows both single and double roller operation.
This is a very exciting find.
This is a very exciting find.
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Timebuilder |
The Webb C. Ball Escapement Model. |
Lead | |
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Posts: 1519 (07/29/06 16:26:51) |
This is a very interesting item. It shows how the escapement of the Ball watch operates. This fine example in one unit, shows both single and double roller operation.
This is a very exciting find.
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