An item supplied the details of the new French 800 ton submarines which were at hat moment being built.
Q 73, designer Hutter, with a displacement of 577 tons and as dimensions 60,54 x 5,63 x 4,09 metres, horsepower 1.700 ihp, speed 15 miles, 7 torpedo tubes and a crew consisting of 3 officers and 23 sailors. Two screws.
Q 74, designer Radigeur, with a displacement of 530 tons and as dimensions 64,75 x 4,30 x 3,74 metres, horsepower 1.440 ihp, speed 15 miles, 6 torpedo tubes and a crew consisting of 3 officers and 25 sailors.
Q 82, designer Bourdelle, with a displacement of 555 tons and as dimensions 56,20 x 5,52 x 4,00 metres, horsepower 1.560 ihp, speed 15 miles, 7 torpedo tubes and a crew consisting of 3 officers and 22 sailors.
Q 89, designer Maurice, with a displacement of 355 tons and as dimensions 44,00 x 4,00 x 3,58 metres, horsepower 1.300 ihp, speed 15,8 miles and a crew consisting of 2 officers and 18 sailors. 
