This was mainly early in World War II for sweeping acoustic and magnetic mines, and later in the war for sweeping influence mines.
32.
However, the French battleship " Richelieu " struck a magnetic mine at 0744 on 9 September while passing down the Straits of Malacca.
33.
Early vehicles had " zimmerit " applied to the hull to protect against magnetic mines, but this was discontinued after about September 1944.
34.
Owing to his involvement in national defense, particularly through research in the protection of warships by demagnetization against magnetic mines, he received numerous distinctions:
35.
She struck a magnetic mine amidships outside the harbour, possibly laid by the aircraft whose crew she had rescued earlier that day, and sank.
36.
Those papers were sent to London and were found to be partial plans for the new magnetic mines being used by the German Navy.
37.
No similar material was used on post-war tanks as the widespread use of man-portable HEAT rockets such as the Bazooka made magnetic mines obsolete.
38.
Suza is able to create a diversion, enabling Dickstein to rescue her and destroy the " Karla " by means of a magnetic mine.
39.
His work for Trollope & Colls on non-magnetic mine casings during the First World War earned him the OBE in the 1918 Birthday Honours.
40.
Admiral James Somerville's surface ships fired over a thousand shells at the port, and aircraft of the carrier dropped magnetic mines in the harbor.