Guns That Shoot not Shells, but Messages to Commanders

Title (Dublin Core): Guns That Shoot not Shells, but Messages to Commanders
Subject (Dublin Core): en Technology; en Artillery (and shells); en Communication
Article Title and/or Image Caption (Dublin Core): Guns That Shoot not Shells, but Messages to Commanders; Caption: The Germans on the West front shoot off messages with mortars
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1918-08
Is Part Of (Dublin Core): Popular Science Monthly, v. 93, n. 2, 1918
pages (Bibliographic Ontology): 189
Rights (Dublin Core): Public Domain (Google digitized)
Source (Dublin Core): Google Books
Archived by (Dublin Core): Filippo Valle; Alberto Bordignon (Supervisor)
Spatial Coverage (Dublin Core): Western Front of World War I