This is the original lecture given by George Daniels at the American Watchmakers-Clockmakers Institute (AWCI) in June of 1990. This talk was also part of the 30 anniversary of the institute.
Many of the calibers discussed on Caliber Corner feature his Co-Axial escapement. In this video you can learn more about the invention and how it contributes to the evolution of watches today.
You can also find his popular book “Watchmaking” here.