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File:Alarm Clock Balance Wheel.jpg

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English: Balance wheel in a cheap 1950s mechanical alarm clock, the Apollo, by Lux Mfg. Co. 2.4 cm diameter. Arrows point to the hairspring (1) and the regulator (2). It has a rate of 4 beats (ticks) or two cycles per second. The clock belongs to me and is still working.
Source Own work
Author Chris Burks Chetvorno


Public domain This work has been released into the public domain by its author, I, Chris Burks (Chetvorno). This applies worldwide.
In some countries this may not be legally possible; if so:
I, Chris Burks (Chetvorno) grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.


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16 June 2007

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current12:53, 19 June 2007Thumbnail for version as of 12:53, 19 June 20071,803 × 1,357 (337 KB)Chetvorno{{Information |Description=Balance wheel in a cheap 1950s mechanical alarm clock, the Apollo, by Lux Mfg. Co. |Source=self-made |Date=June 16, 2007 |Author= Chetvorno }}
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