Radiophone Helmet
Item
Title (Dublin Core)
Radiophone Helmet
Subject (Dublin Core)
en
Technology
Article Title and/or Image Caption (Dublin Core)
Title: Radiophony to Airplanes a Great Success
Caption: Aviator`s radiophone helmet fitted with special sound-proof pads and having the two receivers mounted tightly therein. The receivers are moulded in sponge rubber. The helmet is made of leather
Language (Dublin Core)
eng
Temporal Coverage (Dublin Core)
Date Issued (Dublin Core)
1919-04
Is Part Of (Dublin Core)
pages (Bibliographic Ontology)
870-871
Rights (Dublin Core)
Public domain
Archived by (Dublin Core)
Mikhail Vsemirnov