The spare parts for the Lo1UK35. It has all parts needed to repair the device. It could be locked with a key.
Nicely marked on top
The box is sadly empty and missing the dividers. It would have included a loot of parts like Voltmeter Capacitors Resistors Antenna segments and a loot more.
Here the Stückliste. Everything inside the box is listed here. Even the values are on it.
Kriegsmarine Radios and Sonar Equippment 