Bombproof

Title: Bombproof
Subject: en Imagined technology & prototypes; en Trenches and fortifications
Article Title and/or Image Caption: Bombproof - Concrete roof on aircraft plant
Language: eng
Temporal Coverage: World War II
Date Issued: 1941-08-01
Is Part Of: Scientific American, v. 165, n. 2, 1941
pages: 58
Rights: Public domain
Archived by: Stefano Furi