This event is in the past.It took place on September 21, 2025 at Pavillon de Breteuil.
Step inside the headquarters of the world's measurement system, a 17th-century pavilion built for Louis XIV. The rare open-house includes French gardens, antique scientific instruments, and stories of the scientists who standardized how we measure everything.
Science history
Royal architecture
Rare access
Guided tour
Tips
🎟️free but reservation required, limited spots
🚗parking available on-site
Visite historique guidée du Bureau international des poids et mesures
Sèvres
Step inside the headquarters of the world's measurement system, a 17th-century pavilion built for Louis XIV. The rare open-house includes French gardens, antique scientific instruments, and stories of the scientists who standardized how we measure everything.
Science history
Royal architecture
Rare access
Guided tour
Tips
🎟️free but reservation required, limited spots
🚗parking available on-site
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