HC Deb 08 June 1939 vol 348 c621W
Mr. Maxwell

asked the Lord Privy Seal whether he has completed his arrangements for the darkening of London in the event of an air-raid; and whether it is intended to stage a trial black-out?

Sir J. Anderson

I am taking steps to bring to the notice of all concerned the measures which they should take in advance to enable them to comply at short notice with the lighting restrictions which would be imposed from the outset of an emergency. I am hoping to arrange for a trial black-out in London in August.

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