Watch with verge escapement
- maker:
- Jacob Boucheret
Watch by Jacob Boucheret, c.1700 (tangent wheel and screw form of regulator for main spring: verge escapement), London, 1710-1720
Watch by Jacob Boucheret, c.1700 (tangent wheel and screw form of regulator for main spring: verge escapement), London, 1710-1720