The Seven Dials from the Spilhaus Space Clock
FROM THE LARGE SPACE DIAL YOU CAN READ THESE 15 UP-TO-THE MINUTE FACTS
1. The Horizon and the Visible Heavens
2. Sun's Position in the Sky
3. Moon' s Position
4. Position of the Stars
5. Relative Positions of Sun, Moon and Stars
6. Day of Month and Year . .. a Perpetual Calendar
7. Solar Time of Sun, Moon and Stars at Meridian
8. Sidereal or Star Time...To be Used in Conjunction with Astronomical Tables
9. Current Phase of the Moon
10. Time of Daily Sunrise and Sunset
11. Mean Time of Moon Rise and Moon Set
12. Mean Time of Star Rise and Star Set
13. Current Time High or Low Tide
14. Current Stage of the Tide
15. Mean Solar Time
The large dial, 8-5/8" in diameter has a heavy brass top. A domed crystal protects its 5 separate discs. One is fixed; the other 4 rotate counter- clockwise. Together these five discs correlate all of the fifteen pieces of information.
CLOCK DIAL WITH CENTER
SWEEP, SECOND HAND
Large, dark blue numerals on gold make this 4" diameter clock dial extremely easy to read. Radium hour and minute hands stand out distinctly from the blue background. Like the others, this dial is protected by a domed crystal. The power unit which drives the entire clock, is located behind it, In the event of power, failure, the resetting of this unit will automatically reset. all of the other dials.
WORLD TIME DIAL
Under the domed crystal, there is a rotating 4" disc marked with 24-hour time. Behind it is a fixed circumpolar map of the world. Longitude 0 (Greenwich time) and the International Date Line are marked, A circular dotted line plots the equator. Major cities are pinpointed and identified at the periphery. Time in these cities is conveniently read from the radial lines at the hour marking.
More pictures of Spilhaus Space Clock and how to repair it.