Balance

Balance

New postby podge » Mon Nov 23, 2009 2:50 pm

Balance (In French: balancier)

A circular, moving part which oscillates on its rotational axis or staff. It is attached to the balance-spring which gives it the regular to-and-fro motion needed to give a watch regularity. Each to-and-fro movement ("tick-tock") is called an oscillation, and each oscillation comprises two vibrations.

A circular rim is held by spokes, and in later watches is split and bi-metallic, to compensate for temperature variations. Combined with the balance spring it forms the regulating heart of a watch.
John Hodgson
podge
Super Member
 
Posts: 142
Joined: Sat Sep 26, 2009 12:15 pm
Location: Stockton on Tees, Cleveland, England

Re: Balance

New postby Glyn Meredith » Fri Mar 12, 2010 11:13 am

Origins are uncertain but the balance wheel appeared with the first mechanical clocks, in 14th century Europe. It is an improved version of the foliot. The first clocks in northern Europe used foliots, while those in southern Europe used balance wheels.
Posted on GH recently? Your posts keep us going.

Meridian Height photo galleries

"It ain't what you don't know that gets you in trouble. It's what you know for sure that just ain't so." - Mark Twain
User avatar
Glyn Meredith
Site Manager
 
Posts: 5147
Joined: Wed Jan 02, 2008 12:26 pm
Location: Oxfordshire, UK
Skype Account: nerimajin


Return to B is for ...

Who is online

Users browsing this forum: No registered users and 1 guest

cron