Utilizing new steel trench helmets

Title (Dublin Core): Utilizing new steel trench helmets
Subject (Dublin Core): en Technology; en Trivialization (other)
Article Title and/or Image Caption (Dublin Core): Utilizing new steel trench helmets
Language (Dublin Core): eng
Date Issued (Dublin Core): 1921-12
Is Part Of (Dublin Core): Popular Mechanics, v. 36, n. 5, 1921
pages (Bibliographic Ontology): 955-957
Rights (Dublin Core): public domain
Source (Dublin Core): googel books
References (Dublin Core): helmet
Archived by (Dublin Core): Marco Bortolami; Marco Bortolami (editor)