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Brno

The clock that turned a legend into machinery

Notice the rotating upper segments, transparent optical-glass time elements and four openings near the base used by the marble mechanism.

Brno's multifunctional clock is a useful test of how a city can manufacture tradition in real time. Installed in 2010, the polished black-granite object was designed by Oldřich Rujbr and Petr Kameník. It references the 1645 siege and Brno's noon-at-eleven tradition, and in normal operation it releases a glass marble at 11:00. The marble adds another layer: a legend says the Swedish commander could be killed only by a magical glass projectile. So this is not an old artefact accidentally surrounded by folklore. It is a modern civic object deliberately engineered from older stories. Try reading the time, then ask what exactly you are reading: a clock, a memorial, a ritual, or a piece of urban theatre.

What is documented — and what is not

Documented fact

The multifunctional clock on náměstí Svobody was handed to the public in 2010; its authors are Oldřich Rujbr and Petr Kameník, and its body is polished black granite.

Evidence: Kultura Brno, Statutory City of Brno

Documented fact

In its normal operation the clock releases a glass marble at 11:00, linking the mechanism to Brno's memory of the 1645 siege.

Evidence: Kultura Brno, Statutory City of Brno · Statutory City of Brno

Legend

The glass-marble mechanism draws on a Brno legend that the Swedish commander could be killed only by a magical glass projectile; the 11:00 timing also echoes the city's noon-at-eleven legend.

Evidence: Statutory City of Brno · Statutory City of Brno

Sources