Radiphone Helmet
Item
Title (Dublin Core)
Radiphone Helmet
Subject (Dublin Core)
Article Title and/or Image Caption (Dublin Core)
Title: Unique Radiophone Helmet
Caption: The Radio Telephone Apparatus Worn by an Airplane Pilot in the Recent Successful Experiments With This Wonderful Voice-Transmitting Wireless.
Language (Dublin Core)
eng
Temporal Coverage (Dublin Core)
Date Issued (Dublin Core)
1919-10
Is Part Of (Dublin Core)
pages (Bibliographic Ontology)
540
Rights (Dublin Core)
Public domain
Archived by (Dublin Core)
Mikhail Vsemirnov