Super Siren Gives Warning Heard Two Miles Away
Item
Super sirens that can be spotted in the most advantageous positions for spreading “air raid alert” alarms have been designed for installation in New York City. Capable of projecting its sound a distance of two miles, the siren is 36 inches high and operates on four horsepower.
- Title (Dublin Core)
- Super Siren Gives Warning Heard Two Miles Away
- Article Title and/or Image Caption (Dublin Core)
- Super Siren Gives Warning Heard Two Miles Away
- Language (Dublin Core)
- Eng
- Temporal Coverage (Dublin Core)
- World War II
- Date Issued (Dublin Core)
- 1942-04
- Is Part Of (Dublin Core)
-
Popular Mechanics, vol. 77, n. 4, 1942
- pages (Bibliographic Ontology)
- 86
- Rights (Dublin Core)
- Public domain
- Source (Dublin Core)
- Google books
- References (Dublin Core)
- New York City
- Archived by (Dublin Core)
- Enrico Saonara
