Watch and Clock Escapements : A Complete Study in Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account of the Origin and Evolution of the Escapement in Horology [recurso electrónico] /
Anonymous
- Project Gutenberg, 2005
- Project Gutenberg 17021 .
Public domain in the USA.
Text
Clocks and watches -- Escapements
TS
Public domain in the USA.
Text
Clocks and watches -- Escapements
TS