Wheelock RSSP-121575W Category : Wheelock This strobe plate runs off of 12 VDC. Brand WheelockModel RSSP-121575WManufacturer WheelockType Alarm (Strobe)
Federal Signal 950B Category : Federal SignalI’m not sure why there is a transformer on the side of this alarm.
Fiquench 20-051+20-047 Category : Fiquench/FikeThis alarm was clearly meant for a Halon fire suppression system. 20-051 is the model of the horn and 20-047...
Simplex 4904-9139 Category : SimplexI believe that this strobe plate was designed to be used with bells, such as the Simplex 2901-9333.
