Difference between revisions 3102776 and 3318883 on mswiki

[[Fail:Longcase.jpg|right|thumb|Sebuah jam besar berdiri dengan sebuah jotak [[pain]], sekitar 1790, oleh Thomas Ross dari [[Kingston upon Hull|Hull]]. Dua lubang kunci pada kedua-dua belah dail menunjukkannya sebagai jam lapan hari.]]

(contracted; show full)| year=2002 
| title=Origin and Evolution of the Anchor Clock Escapement 
| journal=Control Systems magazine, 
| publisher=Inst. of Electrical and Electronic Engineers 
| volume=22 
| issue=2 
| url=http://www.geocities.com/mvhw/anchor.html 
| accessdate=2007-06-06
|archiveurl=http://web.archive.org/20040914145830/www.geocities.com/mvhw/anchor.html|archivedate=2004-09-14}}</ref> Pendulum panjang dengan ayunan lebar semacam iyu tidak dapat dimuatkan dengan sebuah peti, jadi kebanyakan jam mempunyai pendulum pendek. Mekanisme anchor mengurangkan ayunan pendulum ke sekurangnya 4° to 6°,<ref name="Headrick" /> allowing clockmakers to use longer pendulums, which had slower "beats".  These needed less power to keep going, caused less friction and wear in the movement, and were more accurate.<ref name="Headrick" />  Most longcase cl(contracted; show full)*[http://www.british-antiqueclocks.com/longcase-origins P A Oxley discuss the longcase clock]
*[http://www.british-antiqueclocks.com/longcase-installation P A Oxley-How to set up an antique longcase/grandfather clock]

== Nota kaki ==
{{reflist}}

[[Kategori:Jam]]
[[Kategori:Horologi]]