Directional radio waves for guiding ships

Title (Dublin Core): Directional radio waves for guiding ships
Subject (Dublin Core): en Technology; en Ships; en Communication
Article Title and/or Image Caption (Dublin Core): Directional radio waves for guiding ships
Language (Dublin Core): eng
Date Issued (Dublin Core): 1922-08
Is Part Of (Dublin Core): Popular Mechanics, v. 38, n. 2, 1922
pages (Bibliographic Ontology): 212
Rights (Dublin Core): public domain
Source (Dublin Core): google books
References (Dublin Core): Guglielmo Marconi
Archived by (Dublin Core): Marco Bortolami; Marco Bortolami (editor)
Spatial Coverage (Dublin Core): New York City