Wheelock MT4-24-LSM Category : Wheelock I believe that this is an early version of the MT series since it doesn’t have covers over the screw holes like later MT’s have. Brand WheelockModel MT4-24-LSMManufacturer WheelockType Alarm (Horn/Strobe)
Federal Signal V1971+MPV Category : Federal SignalV1971 is the model of the strobe and MPV is the model of the plate that it is mounted on.
Gaylord NC-1357A Category : GaylordThis is a rebranded EST/Edwards 270-SPO for use in some sort of ventilator system.
Wheelock ET-1080 Category : WheelockThe white and red versions of this speaker both have the same model number.
