Watch and Clock Escapements: A Complete Study in Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account ... and Evolution of the Escapement in Horology
$9.99
Description
Watch and Clock Escapements: A Complete Study in Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account ... and Evolution of the Escapement in Horology