I must admit my ignorance on the origin of the phrase bi-compax. I thought it was to do with the number of sub-dials but what you have shared makes sense, so thanks for enlightening us.
Type: Posts; User: Caruso
I must admit my ignorance on the origin of the phrase bi-compax. I thought it was to do with the number of sub-dials but what you have shared makes sense, so thanks for enlightening us.
https://www.youtube.com/watch?v=b8hcpMCDhNw