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11 janv. 85 av. J.-C. - Invention of Hypocaust heating system

Description:

Sergius Orata invented it. Hot air from a fire or furnace passes through the floor, heating the room above it.

Ajouté au bande de temps:

Date:

11 janv. 85 av. J.-C.
Maintenaint
~ Il y a 2112 ans