Periscopes Hidden in Mirrors Protected German "Subs"

Item

Title (Dublin Core)

Periscopes Hidden in Mirrors Protected German "Subs"

Subject (Dublin Core)

en Technology
en Airplanes and Zeppelins

Article Title and/or Image Caption (Dublin Core)

Periscopes Hidden in Mirrors Protected German "Subs"

Language (Dublin Core)

eng

Temporal Coverage (Dublin Core)

interwar period

Date Issued (Dublin Core)

1930-07

Is Part Of (Dublin Core)

Popular Mechanics, v. 54, n. 1, 1930

pages (Bibliographic Ontology)

72

Rights (Dublin Core)

Public Domain (Google digitized)

Source (Dublin Core)

Google Books

Archived by (Dublin Core)

Alberto Bordignon