The aerial defenses of Paris

Title (Dublin Core): The aerial defenses of Paris
Subject (Dublin Core): en Technology; en Anti-aircraft
Article Title and/or Image Caption (Dublin Core): Caption: "This detector, which consists of four megaphones connected with a microphone and equipped with receivers, is used both day and night: with it the purr of an aerial engine may be heard while the machine itself is invisible".; Title: Aerial Defenses of Paris
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1916-01
Is Part Of (Dublin Core): Popular Mechanics, v. 25, n. 1, 1916
pages (Bibliographic Ontology): 33-39; cover
Rights (Dublin Core): Public domain (Google digitized)
Source (Dublin Core): Google Books
References (Dublin Core): London; Royal Flying Corps; Champagne
Archived by (Dublin Core): Iacopo Tonon; Davide Donà (supervisor)
Spatial Coverage (Dublin Core): United States of America; French Third Republic