Bomb Curtain

Title (Dublin Core): Bomb Curtain
Subject (Dublin Core): en Technology; en Anti-submarines
Article Title and/or Image Caption (Dublin Core): Title: The Submarine Problem; Subtitle: Closing the North Sea with a Bomb-Curtain
Contributor (Dublin Core): Writer: J. Bernard Valker
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1917-06-23
Is Part Of (Dublin Core): Scientific American, v. 116, n. 25, 1917
pages (Bibliographic Ontology): 616-617
Rights (Dublin Core): Public Domain
Source (Dublin Core): Scientific American
Archived by (Dublin Core): Valerio Galesso; Marco Bortolami (editor)