Special airplane compass guides fliers when landmarks fade

Title (Dublin Core): Special airplane compass guides fliers when landmarks fade
Subject (Dublin Core): en Technology; en Airplanes and Zeppelins
Article Title and/or Image Caption (Dublin Core): Special airplane compass guides fliers when landmarks fade
Language (Dublin Core): eng
Date Issued (Dublin Core): 1924-12
Is Part Of (Dublin Core): Popular Mechanics, v. 42, n. 6, 1924
pages (Bibliographic Ontology): 986
Rights (Dublin Core): public domain
Source (Dublin Core): google books
Archived by (Dublin Core): Marco Bortolami; Marco Bortolami (editor)