The Focke helicopter

Title (Dublin Core): The Focke helicopter
Subject (Dublin Core): en Technology; en Airplanes and Zeppelins
Article Title and/or Image Caption (Dublin Core): Science and Industry a Monthly Digest, Helicopters
Contributor (Dublin Core): Alexander Klemin (autor)
Language (Dublin Core): ENG
Temporal Coverage (Dublin Core): interwar period
Date Issued (Dublin Core): 1938-09
Is Part Of (Dublin Core): Scientific American, v. 159, n. 3, 1938
pages (Bibliographic Ontology): 143
Rights (Dublin Core): Public Domain
References (Dublin Core): Army Air Corps; Focke