by means of additional hands or additional pairs of hands

Full Title

Indicating the time by visual means > Arrangements for indicating different local apparent times; Universal time-pieces > by means of additional hands or additional pairs of hands

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