At the navy yard at Tarente was the new Italian submarine Archimede launched with a surfaced displacement of 1,000 tons and while submerged of 1,300 tons. The surfaced speed was 18 miles and surfaced 8 miles. The armament consisted of 8 torpedo tubes and 2-10cm guns.(1)
Note
1. She was launched on 10 December 1933 and finally stricken in 1959. See for information the following websites http://en.wikipedia.org/wiki/Archimede_class_submarine and http://www.regiamarina.net/detail_text_with_list.asp?nid=84&lid=1