Angle of airplane's flight automatically indicated

Title (Dublin Core): Angle of airplane's flight automatically indicated
Subject (Dublin Core): en Technology; en Airplanes and Zeppelins
Article Title and/or Image Caption (Dublin Core): Angle of airplane's flight automatically indicated
Language (Dublin Core): eng
Date Issued (Dublin Core): 1922-05
Is Part Of (Dublin Core): Popular Mechanics, v. 37, n. 5, 1922
pages (Bibliographic Ontology): 714
Rights (Dublin Core): public domain
Source (Dublin Core): google books
Archived by (Dublin Core): Marco Bortolami; Marco Bortolami (editor)