The signals used by the U. S. Army to correctly aim artillery during World War I

Title (Dublin Core): The signals used by the U. S. Army to correctly aim artillery during World War I
Subject (Dublin Core): en Technology; en Artillery (and shells)
Article Title and/or Image Caption (Dublin Core): How Uncle Sam Aimes His Artillery
Contributor (Dublin Core): International Film Service (Image copyright)
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): [–][+]Interwar period
Date Issued (Dublin Core): 1919-04
Is Part Of (Dublin Core): Popular Science Monthly, v. 94, n. 4, 1919
pages (Bibliographic Ontology): 68
Rights (Dublin Core): Public domain (Google digitized)
Source (Dublin Core): Google Books
References (Dublin Core): [–][+]Uncle Sam
Archived by (Dublin Core): Davide Donà; Marco Bortolami (editor)
Spatial Coverage (Dublin Core): [–][+]United States of America; [–][+]Western Front of World War I