Mainspring Gauges and the Dennison Combined Gauge
2009, 50 pages, ill
- Aaron Dennison's combined standard gauge
This booklet is a detailed study of watch mainspring gauges. The main aim is to describe these gauges and show that, despite being inaccurate, they are sensibly based on Metric, French imperial or English imperial measurements.
The gauges described are made by Montandon, Martin, Robert, Lepine, Ferret, Prenot and Aaron Dennison.
The book is provided as an Adobe Acrobat PDF file: