A Periscope Attached to Field-Glasses
Item
Title (Dublin Core)
A Periscope Attached to Field-Glasses
Subject (Dublin Core)
en
Technology
Article Title and/or Image Caption (Dublin Core)
A Periscope Attached to Field-Glasses
Caption: The frame is collapsible so that the entire periscope can be concealed within the usual field-glass casing.
Contributor (Dublin Core)
Charles F. Smith (inventor)
Language (Dublin Core)
eng
Temporal Coverage (Dublin Core)
Date Issued (Dublin Core)
1917-01
Is Part Of (Dublin Core)
pages (Bibliographic Ontology)
32
Rights (Dublin Core)
Public Domain
References (Dublin Core)
Archived by (Dublin Core)
Besleu Dinu
Alberto Bordignon (Supervisor)