"Ear" Detects Hum of Plane Ten Miles Away

Title (Dublin Core): "Ear" Detects Hum of Plane Ten Miles Away
Subject (Dublin Core): en Imagined technology & prototypes; en Anti-aircraft
Article Title and/or Image Caption (Dublin Core): "Ear" Detects Hum of Plane Ten Miles Away
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): interwar period
Date Issued (Dublin Core): 1925-07
Is Part Of (Dublin Core): Popular Mechanics, v. 44, n. 1, 1925
pages (Bibliographic Ontology): 3
Rights (Dublin Core): Public Domain (Google digitized)
Source (Dublin Core): Google Books
Archived by (Dublin Core): Alberto Bordignon