Sir Percy Scott's cypher machine for faster signalling

Date: 1914 Reference: ADM 1/8435/302 Creator: Admiralty, Naval Forces, Royal Marines, Coastguard, and related bodies Catalogue context: Mechanical cryptography in the Navy. Report on R/A Sir Percy Scott's cyphering machine etc. Categories: First World War Subjects: Armed Forces (General Administration); Navy Topics: Military and war Period: Early 20th Century 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