The Practical Watch Escapement (Hardcover)

Foreword Introduction General Principles Verge Escapement Cylinder Escapement Virgule Escapement Duplex Escapement Lever Escapement Escaping Angle Lever Angle The Draw Angle The Balance Roller The Pallets and Escape Wheel Detent Escapement The Unlocking Angle The Angle of Draw The Locking Stone Pivoted Detent The Impulse Angle Radial Impulse at Each Vibration Robin Escapement Echappement Naturel Summary Detached Escapements without lubricant Independent Double Wheel Escapement Double Radial Impulse with Single Wheel Co-Axial Escapement Extra Flat Co-Axial Escapement Symmetrical Co-Axial Escapement Photographic Plates