The IOS 3 Balance ... and some ponderings ...
By: mycroft : November 20th, 2007-16:21
The balance that you see in the DBS picture is actually the De Bethune 3rd generation titanium-platinum balance. Here is an unobstructed schematic picture taken from Bernard's earlier post: IOS 3 It is called IOS for "Isochronic Oscillating System" and "3...