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23 October, 04:47

What invention allowed the british to know when attacks were coming

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  1. 23 October, 06:23
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    The radar, the first radar system was produced in 1935 by the British physicist Sir Robert Watson-Watt, and by 1939 England had positioned radar stations along the east and south coasts in order to detect aggressors in the air and on the sea.
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