The improvements in wireless communication have decreased the use of pigeons

Title (Dublin Core): The improvements in wireless communication have decreased the use of pigeons
Subject (Dublin Core): en Technology; en Animals; en Communication
Article Title and/or Image Caption (Dublin Core): He'll Be Soon Out of a Job
Contributor (Dublin Core): U. S. Air Service (image copyright)
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): [–][+]Interwar period
Date Issued (Dublin Core): 1919-09
Is Part Of (Dublin Core): Popular Science Monthly, v. 95, n. 3, 1919
pages (Bibliographic Ontology): 23
Rights (Dublin Core): Public domain (Google digitized)
Source (Dublin Core): Google Books
Archived by (Dublin Core): Davide Donà; Alberto Bordignon (Supervisor)
Spatial Coverage (Dublin Core): [–][+]United States of America