by mechanical means, e.g. pneumatic motor

Full Title

Normal winding of clockworks by hand or mechanically; Winding-up several mainsprings or driving weights simultaneously > by mechanical means, e.g. pneumatic motor

Classification Context

Section:

PHYSICS

Class:

HOROLOGY

Subclass:

MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS