German field periscope

Title (Dublin Core): German field periscope
Subject (Dublin Core): en Technology; en Reconnaisance
Article Title and/or Image Caption (Dublin Core): A Great Collapsible Field-Periscope; Caption: A giant German field-periscope captured by the French during the earlier battles on the Somme. It was constructed by Zeiss, of Jena. The illustration shows it elevated to a height of fifty feet, the carriage supporting the collapsible tube at that height without any props or other assistance. However, with
the aid of stays and struts, the periscope can be extended to eighty-five feet, its greatest height. The insert shows the instrument packed for transporting
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War I
Date Issued (Dublin Core): 1916-11
Is Part Of (Dublin Core): Popular Science Monthly, v. 89, n. 5, 1916
pages (Bibliographic Ontology): 660
Rights (Dublin Core): Public Domain (Google digitized)
Source (Dublin Core): Google Books
References (Dublin Core): Carl Zeiss AG; Jena
Archived by (Dublin Core): Filippo Valle; Alberto Bordignon (Supervisor)