🛠️ Invention or technique

Public striking tower clock

Reloj público de campana de torre

Date
1335 · confidence high
Place
Milan (San Gottardo), Italy
Credited to
Azzone Visconti, Milan
People
👤 Azzone Visconti1302–1339
Field
Knowledge & symbols

What it is

A municipal clock that automatically struck all 24 hours on a public bell, described by Galvano Fiamma. Time became a civic rather than an ecclesiastical good.

What it led to

  • working hours, markets and curfews regulated by the city
  • competition between communes for ever more complex clocks
  • a social synchronisation that paved the way for the Industrial Revolution
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