Bomb shelter is built in a day

Title (Dublin Core): Bomb shelter is built in a day
Subject (Dublin Core): en Technology; en Trenches and fortifications
Article Title and/or Image Caption (Dublin Core): Concrete pillbox or bomb shelter is built in a day
extracted text (Extract Text): CONCRETE pill boxes may be erected in a
single day, by a speedy new method ex-
hibited to War Department observers at
New Haven, Conn. The structures may be
used either as fortresses, or as bombproof
shelters during air raids. A biscuit-shaped
design found most suitable for the purpose,
shown in the illustration below, measures
fourteen feet in diameter and has walls a
foot and a half thick.
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War II
Date Issued (Dublin Core): 1940-12
Is Part Of (Dublin Core): Popular Science Monthly, v. 137, n. 6, 1940
pages (Bibliographic Ontology): 82
Rights (Dublin Core): Public domain
Source (Dublin Core): Google Books
Archived by (Dublin Core): Sami Akbiyik; Marco Bortolami (editor)
Spatial Coverage (Dublin Core): United States of America