Simplex 2904-9103 - FireAlarms.tv - jjinc24/U8oL0's Fire Alarm Collection

Category : Potter

I honestly have no idea what this thing is, but it says Potter on it, so that means it goes...

Category : Simplex

This device is a permanent fixture in my Simplex 4004 wall system.

Category : Cerberus Pyrotronics, Pyrotronics

This is a rebranded Wheelock horn/strobe, and a pretty rare one at that since it has an electronic horn mechanism...