Bell System Alarm Relay, circa 1965
01
Artifact Overview
Connected to a telephone, this signal relay could extend typical ringtones. It amplified the volume of ringing, and distinctive tones could be created for incoming calls: chimes, horns, and vibrating bells. A system like this was useful in loud industrial settings and large spaces.
Artifact Details
Artifact
Electronic alarm system
Date Made
circa 1965
Creators
Place of Creation
Creator Notes
Made for Bell System division of AT&T by Sperti-Faraday Inc., headquartered at that time in Adrian, Michigan.
Location
Not on exhibit to the public.
Object ID
2014.0.17.158
Credit
From the Collections of The Henry Ford.
Material
Iron alloy
Leather
Plastic
Rubber (Material)
Vinyl
Wood (Plant material)
Dimensions
Height: 30 in
Width: 12.5 in
Length: 35 in
Inscriptions
inscribed, each unit within case:
No. KS16301 / MADE FOR BELL SYSTEM / SPERTI-FARADAY, INC.
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