Ear protector

Title (Dublin Core): Ear protector
Subject (Dublin Core): en Technology; en Personal protection (other)
Article Title and/or Image Caption (Dublin Core): Caption: "Wearers of this ear protector hear ordinary sounds, but are protected from vibrations of big gun fire".; Article title: Curious Things Seen in the War Zone
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1915-04
Is Part Of (Dublin Core): Popular Mechanics, v. 23, n. 4, 1915
pages (Bibliographic Ontology): 536
Rights (Dublin Core): Public domain (Google digitized)
Source (Dublin Core): Google Books
Archived by (Dublin Core): Iacopo Tonon; Davide Donà (supervisor)
Spatial Coverage (Dublin Core): Europe