Lectures at Friday, 7th September 2018, 4 pm
Knorre Friedhelm: Information about the next meeting in Bologna.
Bates Mark: Special Protection found in Key Locks for Safes.
Pall Martina: Damascening in East and West
Diederichsen Oliver: Safe locks in the change of time
Biasotti Adalberto: Information about the new book about Roman keys