Gill Elementary School (Farmington Hills, MI - built in 1955) - This post covers the existing cafeteria and gymnasium from a previous addition, a portion of one hallway, and portions of the exterior.
Annunciators/panel:
Previous systems - Unknown, presumably National Time and Signal Corporation (Natsco) 2000 and 7000-series units
Current system - Unknown, presumably a Natsco 901-series unit
Detectors: Unknown
Pull stations:
Previous systems - Unknown, presumably Natsco units
Current system - Natsco 541-series units (rebranded Sigcom t-bars)
Notification appliances:
Previous systems - At least one Natsco-branded Faraday 6120 horn/strobe with a non-ADA strobe and flush plate; other devices unknown
Current system - Natsco C3 and C4-series horn/strobes and strobes (rebranded Gentex units)
Other:
<One newer 6" Edwards Adaptabel in the cafeteria
<One Natsco P810FG class change bell outside near the receiving area
<One rebranded Faraday 10" bell replacing a Natsco bell of an unknown type behind a grille outside