"Sychronome" astronomical regulator with inertia escapement and impulse dial c.1912
"Sychronome" astronomical regulator with inertia escapement and impulse dial c.1912
"Synchronome" astronomical regulator with inertia escapement and impulse dial, The Synchronome Company Limited, c.1912. With a companion dial and pendulum
"Sychronome" astronomical regulator with inertia escapement and impulse dial c.1912
Companion dial for "Sychronome" astronomical regulator
Pendulum for "Sychronome" astronomical regulator