SS type two airship Port engine

Date: 1918 Reference: AIR 11/241 (7) Creator: Air Ministry, the Royal Air Force, and related bodies Catalogue context: 'S.S.' type airships and components Categories: Transport and travel Subjects: Air transport; Airships; Topics: Transport and travel Period: First World War 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