Mechanical digging of trenches

Title (Dublin Core): Mechanical digging of trenches
Subject (Dublin Core): en Technology; en Trenches and fortifications
Article Title and/or Image Caption (Dublin Core): Le creusement mécanique des tranchées et des boyaux
Language (Dublin Core): fra
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1917-07
Is Part Of (Dublin Core): La Science et la Vie, XII, n.33, Juin-Julliet 1917
pages (Bibliographic Ontology): 143-146
Rights (Dublin Core): Public domain
Source (Dublin Core): Retronews
Archived by (Dublin Core): Giuseppe Serpi