The spare parts box for the Dynamotor power-supply.
It is for the 65V and 110V version of it. A second box exists for the 24V version.
Inside is are spare brushes in total a complete set that is needed.
below that are the needed fuses for the mains power and for the anode voltage the Dynamotor produces.
Kriegsmarine Radios and Sonar Equippment 