My AC Alarms

Got 4 Alarms that run on AC Power:
Edwards 874-N5 (Runs on 120 VAC)
Simplex 4040 (Runs on 12 VAC)
Faraday 6110 (120 VAC Alarm. Not in the pictures.)
Sperti Faraday 128-U (old 240 VAC Alarm that was used in a Factory)