All of the following videos in this inaugural post are sound clips from five devices in my collection. As I hope to get access to a power supply and various accessories to test my alarms over the next several months, I will post more videos here. Enjoy!
https://youtu.be/fyh5hwHIGMU - Edwards 340 vibrating bell
https://youtu.be/I0nD1TSri8k - Edwards 874-N5 mechanical horn
https://youtu.be/vU06JPfnlUU - Emdeko 115-A wind-up motor bell
https://youtu.be/aQRW7NOfEhc - Faraday 5410 mechanical horn
https://youtu.be/niGQScfThSs - Federal Signal A6 vibrating bell