Super Siren Gives Warning Heard Two Miles Away
Contenuto
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.
- Titolo
- Super Siren Gives Warning Heard Two Miles Away
- Article Title and/or Image Caption
- Super Siren Gives Warning Heard Two Miles Away
- Lingua
- eng
- Copertura temporale
- World War II
- Data di rilascio
- 1942-04
- pagine
- 86
- Diritti
- Public Domain (Google digitized)
- Sorgente
- Google Books
- Referenzia
- New York City
- Archived by
- Enrico Saonara
