Speaking tubes for a ship's gunners

Title (Dublin Core): Speaking tubes for a ship's gunners
Subject (Dublin Core): en Technology; en Ships; en Communication
Article Title and/or Image Caption (Dublin Core): Speaking Tubes for a Ship's Gunners. Reporting the range, the hits and the misses Photos by Naval Constructor Elliot Snow, U.S. A.
Contributor (Dublin Core): U. S. Naval Institute (photos)
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1918-01
Is Part Of (Dublin Core): Popular Science Monthly, v. 92, n. 1, 1918
pages (Bibliographic Ontology): 30-31
Rights (Dublin Core): Public Domain (Google digitized)
Source (Dublin Core): Google Books
References (Dublin Core): United States of America
Archived by (Dublin Core): Filippo Valle; Alberto Bordignon (Supervisor)