- Author
- Emson, I. C.
- Title
- Audible Warnings for Fire Appliances.
- Journal
- Institution of Fire Engineers Quarterly, Vol. 22, No. 45, 44-5105, 1962
- Keywords
- warning systems | fire alarm systems | experiments | field tests | false alarms | signals | noise (sound)
- Identifiers
- mean threshold levels of warning devices; number of false alarms recorded; variation of signal level with distance