Eyes of defense

Title: Eyes of defense
Subject: en Technology; en Other
Article Title and/or Image Caption: Eyes of defense - Instruments made on production basis
Language: eng
Temporal Coverage: World War II
Date Issued: 1942-06-01
Is Part Of: Scientific American, v. 166, n. 6, 1942
pages: 280-281
Rights: Public domain
Archived by: Stefano Furi