© Copyright Mick Garratt and licensed for reuse under this Creative Commons Licence.
| Name | Redcar Early Warning Station |
| Distance | 0.16 miles from Redcar |
| Description | A relic of WW1 this concrete Sound Mirror enabled the residents of Redcar to have an early warning of air attacks by German Zeppelins. The sound of the approaching aircraft bounced off the concave "mirror" into a trumpet mounted on a steel column. The operator listened by stethoscope and moved the trumpet for the loudest sound. From its position the direction of attack could be deduced. Zeppelins raided the North East fifteen times during 1915 to 1917. |
| Photographer | Mick Garratt |
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