The loss of ships to U-boats were noted in the minutes of company meetings, such as these from John Cory and Sons. The ROSALIE was sailing to San Francisco when she was attacked by UB 10 off the Norfolk coast on 10 August 1915. The RESTORMEL was sunk by U 38 off the Scilly Isles on 19 August 1915.

Source:
Glamorgan Archives.