Control of Helium Gas Kept as a Military Secret

Title (Dublin Core): Control of Helium Gas Kept as a Military Secret
Subject (Dublin Core): en Technology; en Airplanes and Zeppelins
Article Title and/or Image Caption (Dublin Core): Control of Helium Gas Kept as a Military Secret
Language (Dublin Core): Eng
Temporal Coverage (Dublin Core): interwar period
Date Issued (Dublin Core): 1924-05
Is Part Of (Dublin Core): Popular Mechanics, v. 41, n. 5, 1924
pages (Bibliographic Ontology): 685
Rights (Dublin Core): Public Domain (Google digitized)
Source (Dublin Core): Google Books
References (Dublin Core): Richard Bishop Moore; USS Shenandoah
Archived by (Dublin Core): Marco Bortolami; Alberto Bordignon (Supervisor)