Net in Ceiling Rings Alarm if Fire Bomb Hits Roof
Item
Immediate warning will be sounded in one London store if an incendiary bomb should fall on its roof. Slung below the ceiling of the top floor a net completes an electric contact to ring the alarm bell as soon as any object penetrates the roof.
Title (Dublin Core)
Net in Ceiling Rings Alarm if Fire Bomb Hits Roof
Subject (Dublin Core)
en
Technology
Article Title and/or Image Caption (Dublin Core)
Net in Ceiling Rings Alarm if Fire Bomb Hits Roof
Language (Dublin Core)
eng
Temporal Coverage (Dublin Core)
Date Issued (Dublin Core)
1941-02
Is Part Of (Dublin Core)
pages (Bibliographic Ontology)
224
Rights (Dublin Core)
Public Domain (Google digitized)
Source (Dublin Core)
References (Dublin Core)
Archived by (Dublin Core)
Enrico Saonara
Alberto Bordignon (Supervisor)