| Property | Value |
| Name | Inexpensive Clock for Displaying Planetary or Sidereal Time |
| Description | A standard quartz movement wall clock is modified to drive the movement from an external frequency source rather than the internal quartz crystal oscillator. The frequency can be adjusted to run at any desired speed. |
| Filesize | 135.78 kB |
| Last updated on | 10/01/2007 10:11 |
























