Protective mask

Title (Dublin Core): Protective mask
Subject (Dublin Core): en Technology; en Personal protection (other)
Article Title and/or Image Caption (Dublin Core): Protecting the fire-fighters; Caption: A new protective mask for firemen and others; in the picture at the left the edge of the elastic rim of of the mouth-piece is raised to show the curled edge, a new feature that insures airtight contact
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): [–][+]Interwar period
Date Issued (Dublin Core): 1920-01
Is Part Of (Dublin Core): Popular Science Monthly, v. 96, n. 1, 1920
pages (Bibliographic Ontology): 59
Rights (Dublin Core): Public Domain (Google digitized)
Source (Dublin Core): Google Books
Archived by (Dublin Core): Filippo Valle; Alberto Bordignon (Supervisor)