RCA Condenser Microphone, Type 4-A-1, Used by Radio Station WJR, Detroit, Michigan, 1930-1932

THF158781 / RCA Condenser Microphone, Type 4-A-1, Used by Radio Station WJR, Detroit, Michigan, 1930-1932

Artifact Overview

Artifact

Microphone

Date Made

1930-1932

Creators

Place of Creation

Location

Not on exhibit to the public.

Object ID

38.54.1

Credit

From the Collections of The Henry Ford.

Material

Aluminum
Composition (Material)
Rubber (Material)
Steel (Alloy)

Dimensions

Height: 6.25 in (without power cord)
Width: 5.5 in (without power cord)
Length: 6 in (without power cord)

Inscriptions

plaque: RCA Condenser Microphone Type 4-A-1 See License Notice Inside RCA Victor Company, Inc. Camden, N.J., U.S.A.

Keywords	United States, Michigan, Detroit Microphones Communication Radio (Telecommunication system) Radio stations WJR (Radio station : Detroit, Mich.)