Undersea Wall to Keep Submarines from Ocean

Title (Dublin Core): Undersea Wall to Keep Submarines from Ocean
Subject (Dublin Core): en Imagined technology & prototypes; en Anti-submarines
Article Title and/or Image Caption (Dublin Core): Undersea Wall to Keep Submarines from Ocean
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1918-03
Is Part Of (Dublin Core): Popular Mechanics, v. 29, n. 3, 1918
pages (Bibliographic Ontology): 346-347
Rights (Dublin Core): Public Domain
Source (Dublin Core): babel.hathitrust
References (Dublin Core): Schleswig; Frisian Islands; Heligoland; Wilhelmshaven; Cuxhaven; North Sea; Atlantic Ocean
Archived by (Dublin Core): Iacopo Tonon; Alberto Bordignon (Supervisor)
Spatial Coverage (Dublin Core): United Kingdom