Salvaging a u-boat to sink it

Title (Dublin Core): Salvaging a u-boat to sink it
Subject (Dublin Core): en Technology; en Submarines
Article Title and/or Image Caption (Dublin Core): Salvaging a u-boat to sink it
Contributor (Dublin Core): Edward G. Maxwell (writer)
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1922-12
Is Part Of (Dublin Core): Popular Mechanics, v. 38, n. 6, 1922
pages (Bibliographic Ontology): 863-864
Rights (Dublin Core): public domain
Source (Dublin Core): google books
Archived by (Dublin Core): Marco Bortolami; Marco Bortolami (editor)
Spatial Coverage (Dublin Core): Norfolk Naval Shipyard