Improvements in helicopter technology

Item

Title (Dublin Core)
Improvements in helicopter technology
Subject (Dublin Core)
en
en
Article Title and/or Image Caption (Dublin Core)
Title: Windmill Planes
Subtitle: Open new field in aviation
Language (Dublin Core)
eng
Temporal Coverage (Dublin Core)
World War II
Date Issued (Dublin Core)
1939-02
pages (Bibliographic Ontology)
124-126
Rights (Dublin Core)
Public domain (Google digitized)
Source (Dublin Core)
Google Books
References (Dublin Core)
Louis Charles Breguet
Archived by (Dublin Core)
Davie Donà
Marco Bortolami (editor)
Spatial Coverage (Dublin Core)
United States of America