1. At 19 : 55, " Gneisenau " detonated a magnetic mine off Terschelling. 2. The technology will protect vessels against the threat of magnetic mines . 3. A degaussing station was built to provide protection for ships against magnetic mines . 4. He worked on the ill-fated electro-magnetic mining operations funded by Edison. 5. On May 16, she suffered minor damage after striking a magnetic mine at Halmahera. 6. Locally designed degaussing system minimizes the magnetic signature for protection against the magnetic mines . 7. During World War II, the lake was used for experiments into countermeasures against magnetic mines 8. The technology refers to the protection of the vessels against the threat of magnetic mines . 9. The degaussing station was a countermeasure against magnetic mines . 10. Zimmerit anti-magnetic coating to protect vehicles from magnetic mines was used only from September 1943-September 1944.
