Buoy periscope

Title (Dublin Core): Buoy periscope
Subject (Dublin Core): en Technology; en Reconnaisance; en Ships; en Submarines
Article Title and/or Image Caption (Dublin Core): New Buoy Periscope Sees and Hears. Flashes Pictures to Submarine 2000 Yards Away
Contributor (Dublin Core): Dr. V. A. Clarke (inventor)
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): Interwar period
Date Issued (Dublin Core): 1926-04
Is Part Of (Dublin Core): Popular Science Monthly, v. 106, n. 4, 1925
pages (Bibliographic Ontology): 35
Rights (Dublin Core): Public Domain (Google digitized)
Source (Dublin Core): Google Books
References (Dublin Core): United States Navy; New York City
Archived by (Dublin Core): Filippo Valle; Alberto Bordignon (Supervisor)