World War One At Â鶹ԼÅÄ - Holyhead Drive, Redcar: Sound Mirror Provides Early Warning - Â鶹ԼÅÄ Sounds
World War One At Â鶹ԼÅÄ - Holyhead Drive, Redcar: Sound Mirror Provides Early Warning - Â鶹ԼÅÄ Sounds
Holyhead Drive, Redcar: Sound Mirror Provides Early Warning
The sound mirror used to give an early warning of German Zeppelin raids