World's-time clock for radio purposes

Title (Dublin Core): World's-time clock for radio purposes
Subject (Dublin Core): en Technology; en Communication
Article Title and/or Image Caption (Dublin Core): World's-time clock for radio purposes
Language (Dublin Core): eng
Date Issued (Dublin Core): 1923-06
Is Part Of (Dublin Core): Popular Mechanics, v. 39, n. 6, 1923
pages (Bibliographic Ontology): 875
Rights (Dublin Core): public domain
Source (Dublin Core): google books
Archived by (Dublin Core): Marco Bortolami; Marco Bortolami (editor)
Spatial Coverage (Dublin Core): Berlin