British B and C-classes submarines training by night again according to the Dutch magazine Marineblad dated 1913-1914 no. 4

An item reported that for the first time since the incident with the British submarine B2 trained the B and C-classes submarines in the night.(1)

Note

1. Part of B-class, preceded by A-class succeeded by C-class, launched by Vickers, Barrow-in-Furness, United Kingdom on 30 October 1904, completed on 9 December 1905 and lost in a colission with the ss Amerika on 4 October 1912.