Special Army Air Corps steel tank car for trasportation of Helium

Title (Dublin Core): Special Army Air Corps steel tank car for trasportation of Helium
Subject (Dublin Core): en Technology; en Transport
Article Title and/or Image Caption (Dublin Core): Helium-Hope of the Airship
Contributor (Dublin Core): Paul H. Wilkinson (autor), U.S. Bureau of Mines (photography)
Language (Dublin Core): ENG
Temporal Coverage (Dublin Core): interwar period
Date Issued (Dublin Core): 1938-08
Is Part Of (Dublin Core): Scientific American, v. 159, n. 2, 1938
pages (Bibliographic Ontology): 72
Rights (Dublin Core): Public Domain
Archived by (Dublin Core): Lara Azzolini