RAIDS BY AIR
TEST OF DEFENCE MEASURES Dulled Press Association—By Electric Telegraph—Copyright LONDON, October 31. The General Post Office conducted a test, communicating an air raid warning throughout the country by means of a secret colour code. Exchanges numbering 3475 received the message and passed it on to the local police stations, Are brigades and air wardens. Four colours were used, the first meaning enemy ’planes approaching the coast; the second, attack in progress; the third, raiders have passed and the fourth, all clea..
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Bibliographic details
Timaru Herald, Volume CXLV, Issue 21183, 2 November 1938, Page 11
Word Count
84RAIDS BY AIR Timaru Herald, Volume CXLV, Issue 21183, 2 November 1938, Page 11
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