( 3CT2 ) 



12° Canonnières en bois. 

 N«^ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 (i858). 



i3° Canonnières en fer démontables. 

 N- 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 , 22, 23, 2i, 25, 26, 27, 28, 29, 30, 31 (iSSg). 



