Public domain
Secy. of Navy Denby "listening in" on his wireless phone recently installed in his office at the new Navy bldg.
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineSecy. of Navy Denby "listening in" on his wireless phone recently installed in his office at the new Navy bldg.. 1922-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
