Here’s a list of alarms in my collection.
Commercial
Simplex
4903-9101 Strobe Plate
2901-9838/46 Horn (Silver Plate)
2903 Series Plate
2901-9806 Horn
2099-9754 Single Action Pull Station (Circa 1980’s/90’s)
Edwards
270-SPO Pull Station (1970’s, 80’s?)
(x2) 439D 6AW Fire Bell
Kidde
84-330001-001 Pull Station
Federal Signal
(2x) Vibratone 350B1
Residential
First Alert
SA67D (Later, Smaller Version, 1996)
SA150LTD
SA81D (NIB)
First Alert/BRK
SA303
Family Gard
83R (Circa 2000)
Sears
246.57045 (RARE)
Masterguard
MG-300 (RARE) (Circa 1950’s/60’s)
MG-50 Heat Activated Fire Alarm Bell
Lifesaver
Professional Smoke Alarm 0905
Honeywell
TC49A 1195B (RARE) (Contractor Model NIB)