Image:Backbone as proposed in 1956.JPG

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The Backbone system as proposed in a report by the Official Committee of civil servants on Civil Defence 1956.

Public domain This artistic work created by the United Kingdom Government is in the public domain

This is because it is one of the following:

  1. It is a photograph created by the United Kingdom Government and taken prior to 1 June 1957; or
  2. It is a photograph or an engraving created by the United Kingdom Government and commercially published prior to 1958; or
  3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created by the United Kingdom Government prior to 1958.

More information. See also Copyright, Crown copyright artistic works and HMSO Email Reply.

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current11:31, 2 April 2006598×818 (145 KB)Riggwelter (The Backbone system as proposed in a report by the Official Committee of civil servants on Civil Defence 1956. {{PD}})
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