Wheelock MT4-24-LSM This is an earlier version of the MT. I do have two of these. Brand WheelockModel MT4-24-LSMManufacturer WheelockType Alarm (Horn/Strobe)
Honeywell HFS-P Category : HoneywellOddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Honeywell devices.
EST 882-2B Category : EST/EdwardsThis unit has an electronic horn rather than an electromechanical mechanism.
Simplex 4251-30 Category : SimplexThe glass breaking handle on this station is getting pretty rusted.