Western Electric Audio Frequency Amplifier, Type 7A, 1931-1935
01
Artifact Overview
Artifact Details
Artifact
Amplifier
Date Made
1931-1935
Creators
Place of Creation
Location
Not on exhibit to the public.
Object ID
79.36.1
Credit
From the Collections of The Henry Ford.
Material
Bakelite (TM)
Glass (Material)
Iron alloy
Nickel alloy
Wood (Plant material)
Dimensions
Height: 7.5 in
Width: 10 in
Length: 12.5 in
Inscriptions
plaque, top:
7A Amplifier
Western Electric
Licensed for Use Only as a Part of the
Western Electric Loud Speaking Telephone Outfit
Pat. in U.S.A.
Jan 15 1907 . . . Nov 30 1931
Patents Applied For
Made in U.S.A.
label, underside:
This apparatus is covered by United States Patents, Under Which the Manufacturer has the Right to Sell Only for Specific Uses . . .
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