HC Deb 12 March 1986 vol 93 c514W
Mr. Soley

asked the Secretary of State for Foreign and Commonwealth Affairs what is the approximate number of visual display units in use by his Department; and how many are Tempest-shielded.

Mr. Eggar

There are approximately 820 visual display units in use at home and overseas. Information regarding the numbers of these which are Tempest-shielded is classified.

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