Public domain
The transmitter unit in the rear of the experimental 2-way communication car. It is installed behind the rear seat, 10/38
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineThe transmitter unit in the rear of the experimental 2-way communication car. It is installed behind the rear seat, 10/38. 1938-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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