Britains Merchant Navy

The work of Britain?s minesweepers in keeping tke.sea lanes dear and the convoy lines open is of the utmost importance to ships of the Merchant Navy. It is carried out unceasingly, day and night, by mine-sweeping patrols, well armed against attack. Many of the crews on these vessels were fishermen in peace time. All round the coasts of Britain these ships keep their perilous watch, seeking out and destroying mines, ensuring the safety of our shipping

Author=Edited by Sir Archibald Hurd
Pages=256
Published=c1943
Book Condtion=Loose boards but detached.faded spine