Inside Strasbourg Cathedral, world’ tallest building in 200 years, lies an 18 meter astronomical clock, also one of the largest in the world. The “astronomical clock” could indicates leap years, equinoxes, days, time, month, year, zodiac signs, moon phase, planetary positions, and more astronomical data, so it is already much more a complex calculating machine than a clock.
The 2nd Strasbourg Astronomical clogk in 1580 (left) and a painting of the renewed clock by J. Bruck (c. 1845). Source: Columbia College, Hampton National Historic Site
Elements of the clock from bottom to top:
Computus work and Equations
Solar time and celestial globe in front of it.
(Bottom to top:) Days of the week mythological chariot, a clock with 2 cherubs, the solar system, and moon phase.
Ages of life and the Apostles.
Source of pictures: Commons
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