The museum itself is great. Lots of stuff to see and well organized.
But we missed detailed information in English. The main sign have an English translation, but the detailed signs, the audioguide in the museum and videos are in Italian only. Because of this it was for example difficult to understand the steamboat story. I would give it 5 stars for having this.
For the submarine there was an English audioguide, but the journey through the submarine is quite short. I was once in another submarine museum which showed much more room.
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