Fire Alarm Collection
Wheelock AH-24
| Manufacturer | Wheelock |
| Model | AH-24 |
| Device type | Electronic horn |
| Voltage | 24 VDC |
| Notes | Removed from 1616 P Street NW in Washington DC during a fire alarm upgrade in 2012, where all of the audible notification appliances, previously a combination of Wheelock AH and NS horns, were replaced with System Sensor bells and Wheelock RSSP strobes. See "New fire alarms at work… again…" in the Journal for more details. |
