Costruito in ZAMA (lega di Zinco - Alluminio - Manganese),
in autarchia l'acciaio era usato per costruire armi e carri armati.
Telegraph key made for the Italian Army in the 30's.
Historically interesting because made with ZAMA, an alloy of Zinc-Aluminium-Manganese.
In times of autarchy and war, steel and brass in Italy was used to build tanks and guns.
In the label: "OFF. RADIOTELEG. ED ELETT. ROMA"
The plug is marked: "S.A.F.N.A.T.-104"