Simplex 4251-21 Category : Simplex Not quite sure how this pull differs from the 4251-20, actually. Brand SimplexModel 4251-21Manufacturer SimplexType Pull Station
Simplex 2098-9806 Category : SimplexThere is no difference between this unit and my other Simplex 2098-9806.
Wheelock 7002T-24 Category : WheelockAnother Wheelock 7002T-24 which I’ve incorporated into my collection.
Space Age A32-BL-SFXC-TJ24D-HA24D+HA24D Category : Space Age ElectronicsI’m pretty sure that the horn on this unit is made by Space Age Electronics. Otherwise, it’s probably a Wheelock...
