Fortified military telephone exchange

Title (Dublin Core): Fortified military telephone exchange
Subject (Dublin Core): en Technology; en Trenches and fortifications
Article Title and/or Image Caption (Dublin Core): Caption: "Military telephone exchange in Flanders fortified against the enemy's shells. The walls surrounding the structure are 56 inches thick and built of heavy timbers and concrete".; Article title; Cozy houses erected at front by Germans
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1916-02
Is Part Of (Dublin Core): Popular Mechanics, v. 25, n. 2, 1916
pages (Bibliographic Ontology): 218
Rights (Dublin Core): Public domain (Google digitized)
Source (Dublin Core): Google Books
References (Dublin Core): Flanders
Archived by (Dublin Core): Iacopo Tonon; Davide Donà (supervisor)
Spatial Coverage (Dublin Core): German Empire; Western Front of World War I