Rare fire alarms.

[U8oL0 (Jared Stark)]

@ethanorr

I’ve got two more,
Executone C3002 pull stations (they were in the WTC complex 1972-1993).
System Sensor MASS with the electromechanical tone (newageserveralarm has one with about 8 new tones).

Are you referring to the http://jjinc24.info/collection/system-sensor/maeh24m System Sensor MAEH?