A power-driven "chin turret" equipped with two .50 caliber guns that repel frontal attacks on B-17G

Title (Dublin Core): A power-driven "chin turret" equipped with two .50 caliber guns that repel frontal attacks on B-17G
Subject (Dublin Core): en Technology; en Machine Guns; en Airplanes and Zeppelins
Article Title and/or Image Caption (Dublin Core): A power-driven "chin turret" equipped with two .50 caliber guns that repel frontal attacks on B-17G
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War II
Date Issued (Dublin Core): 1944-01
Is Part Of (Dublin Core): Popular Science Monthly, v. 144, n. 1, 1944
pages (Bibliographic Ontology): 46
Rights (Dublin Core): Public Domain (Google digitized)
Source (Dublin Core): Google Books
References (Dublin Core): B-17 Flying Fortress
Archived by (Dublin Core): Lorenzo Chinellato; Marco Bortolami (editor)
Abstract (Dublin Core): A power-driven turret equipped with two .50 caliber guns replacing flexible-type guns