Astronomical Clocks of the Middle Ages

A Guided Tour (Part 2)

In Part 2 we look at some extant examples of medieval astronomical clocks, from all over Europe. We include links to web-sites with photos and further information about these clocks.

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Stage 0: No Dial

One of the oldest surviving mechanical clocks in the world is the one in Salisbury Cathedral, made in about 1386. The clock has no dial, its sole function is to strike the hours.

Stage 1: Moving dial

A few clocks with moving dials survive in museums.

Stage 2: Sun-Clock

This stage is purely theoretical: no examples known to the author!

Stage 3: Sun-Moon

Here we're on safer ground. There are several examples of sun-moon clocks in the West of England:

Stage 4: Sun-Moon-Zodiac

Stage 5: Astrolabe Variant

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