Airplane propeller used by a German aviator to create a clock

Title (Dublin Core): Airplane propeller used by a German aviator to create a clock
Subject (Dublin Core): en Technology; en Other
Article Title and/or Image Caption (Dublin Core): A German Family-Portrait Propeller Watch
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): Interwar period
Date Issued (Dublin Core): 1919-03
Is Part Of (Dublin Core): Popular Science Monthly, v. 94, n. 3, 1919
pages (Bibliographic Ontology): 21
Rights (Dublin Core): Public domain (Google digitized)
Source (Dublin Core): Google Books
Archived by (Dublin Core): Davide Donà; Marco Bortolami (editor)
Spatial Coverage (Dublin Core): Weimar Republic