Components of a German time bomb

Date: February 1944 Reference: KV 4/23 Creator: Security Service Catalogue context: Report on the work of B1C in connection with the threat of sabotage. Categories: Overseas; Second World War Topics: Military and war; Military and war Period: Second World War Places: Germany Copyright information: Copyright clearance for publication is not required, except in the case of documents in third-party copyright. Usage terms: https://www.nationalarchives.gov.uk/documents/information-management/use-of-tna-materials.pdf