Butterfly Dial

The Butterfly Dial is an ingenious invention designed to combine both the 12 hour and 24 hour dials into a single 12 hour dial.

It’s much easier to see it in action than try to explain it:

butterfly dial

The video can be seen on YouTube.

It’s no substitute for a true 24 hour dial, but it’s a much neater solution than the Cyclos dial, described in the Design page of this site:

cyclos

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