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File:Alarm Clock Balance Wheel.jpg

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    Original file (1,803 × 1,357 pixels, file size: 337 KB, MIME type: image/jpeg)

    Summary

    Description
    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.
    Date
    Source Own work
    Author Chris Burks Chetvorno

    Licensing

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

    Captions

    Balance wheel and hairspring in a 1950s alarm clock

    Items portrayed in this file

    depicts

    inception

    16 June 2007

    exposure time

    0.05 second

    focal length

    7.2 millimetre

    media type

    image/jpeg

    checksum

    ae169fae27e02a132b8f1bb7d4cdd14438161416

    determination method or standard: SHA-1

    data size

    344,598 byte

    height

    1,357 pixel

    width

    1,803 pixel

    File history

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    Date/TimeThumbnailDimensionsUserComment
    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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