Land Periscope
Item
Title (Dublin Core)
Land Periscope
Subject (Dublin Core)
en
Technology
Article Title and/or Image Caption (Dublin Core)
Title: War Inventions Disclosed
Caption: Giant Land Periscope for Making Observations Over Long Distances. The Image Is Projected Between Lenses Thru the Air.
Language (Dublin Core)
eng
Temporal Coverage (Dublin Core)
Date Issued (Dublin Core)
1920-03
Is Part Of (Dublin Core)
pages (Bibliographic Ontology)
1120, 1168
Rights (Dublin Core)
Public domain
Archived by (Dublin Core)
Mikhail Vsemirnov