Fessenden distance finder

Title (Dublin Core): Fessenden distance finder
Subject (Dublin Core): en Imagined technology & prototypes; en Ships
Article Title and/or Image Caption (Dublin Core): Sea-Safety Contest Winners
Contributor (Dublin Core): Albert A. Hopkins (autor)
Language (Dublin Core): ENG
Temporal Coverage (Dublin Core): interwar period
Date Issued (Dublin Core): 1930-01
Is Part Of (Dublin Core): Scientific American, v. 142, n. 1, 1930
pages (Bibliographic Ontology): 39
Rights (Dublin Core): Public domain
References (Dublin Core): Fessenden, Reginald Aubrey (1866-1932), inventor; Scientific American
Archived by (Dublin Core): Lara Azzolini