I can recommend those

Deutsches Museum, München

Deutsches Museum - Flugwerft, Schleissheim

Deutsches Technikmuseum, Berlin

Luftfahrt-Museum Laatzen-Hannover e.V., Laatzen

Regards Karl-Heinz


Of this list I have seen only the Deutsches Museum in Munich - but
will say that it is the best technology exhibit I have seen anywhere.
Don't miss the high voltage electrical demonstration.

David Johnson