Mainspring Gauges
and the Dennison Combined Gauge

Richard Watkins

This booklet is a detailed study of watch mainspring gauges. The main aim is to describe these gauges and show that 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 Dennison.

This book is provided as an Adobe Acrobat PDF file of about 2.9 MB. It has colour illustrations, but it can be printed in black and white.

To download click Download

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