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