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): 1922-01
Is Part Of (Dublin Core): Popular Mechanics, v. 37, n. 1, 1922
pages (Bibliographic Ontology): 147-149
Rights (Dublin Core): public domain
Source (Dublin Core): google books
Archived by (Dublin Core): Marco Bortolami; Marco Bortolami (editor)