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File:Trench construction diagram 1914.png

Summary

Instruction diagram for constructing a reveted fire-trench with bays and traverses.

From Field Entrenchments: Spadework for Riflemen, E.J. Solano, 1914.

Licensing

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 was commercially published prior to 1963; 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 1963.

HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply)
More information.

See also Copyright and Crown copyright artistic works.
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