Question about Emergency Transmitter "Notsende-Gerat 4”

[gldani]

Hello Gentlemen,

someone knows how was the activation of the German Emergency Transmitter "Notsende-Gerat 4” (NS4-NSG 4)?

Was it automatic, or with a battery, or with a handle crank?

Thank you, ciao Daniele.

[Jos L C]

Battery ..


Jos.

[gldani]

Thanks Jos!

Do you know the type or model of the battery?