Wheelock ET-1080 The white and red versions of this speaker both have the same model number. Brand WheelockModel ET-1080Manufacturer WheelockType Alarm (Speaker)
Gaylord NC-1357A Category : GaylordThis is a rebranded EST/Edwards 270-SPO for use in some sort of ventilator system.
System Sensor 5601P Category : System SensorThis is a 135F rate of rise and fixed temp heat detector.
Space Age AV32+2DCD Category : Space Age ElectronicsThat is an electromechanical horn on the rear of the strobe plate.