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38 résultats pour : early 1900s radio

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Photographie
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Photographie

Photographie
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Photographie

President Herbert Hoover
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President Herbert Hoover

Radio Corporation of America disply interior (RCA Corporation)
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Radio Corporation of America disply interior (RCA...

Thomas R. Shipp Company group listening to a radio in a room at the Hamilton Hotel ca. between 1910 and 1935
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Thomas R. Shipp Company group listening to a radio...

Radio studio. Control room, looking into the studio where an announcer is broadcasting ca. between 1934 and 1939
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Radio studio. Control room, looking into the studi...

Looking up at radio tower at the International Broadcasting Station in Ramallah ca. between 1934 and 1939
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Looking up at radio tower at the International Bro...

Panama Canal. U.S. Naval radio station Balboa driling ca. between 1909 and 1919
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Panama Canal. U.S. Naval radio station Balboa dril...

Child seated in toy automobile, radio on a table ca. between 1909 and 1923
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Child seated in toy automobile, radio on a table c...

Loomis Radio School interior ca. between 1918 and 1928
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Loomis Radio School interior ca. between 1918 and...

Teacher writign on a chalk board at Great Lakes Naval training station radio class ca. between 1909 and 1920
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Teacher writign on a chalk board at Great Lakes Na...

Students working at the Loomis Radio School ca. between 1918 and 1928
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Students working at the Loomis Radio School ca. b...

J. Fred Huber Radio, display window ca. between 1918 and 1928
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J. Fred Huber Radio, display window ca. between 1...

Man working at the Loomis Radio School ca. between 1918 and 1928
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Man working at the Loomis Radio School ca. betwee...

A man working at the Loomis Radio School ca. between 1918 and 1928
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A man working at the Loomis Radio School ca. betw...

Loomis Radio School ca. between 1918 and 1928
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Loomis Radio School ca. between 1918 and 1928

Woman tuning a radio between 1910 and 1935
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Woman tuning a radio between 1910 and 1935

Group of men listening to a radio ca. between 1909 and 1923
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Group of men listening to a radio ca. between 1909...

Sailors participate in a Great Lakes Naval training station radio class ca. between 1909 and 1920
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Sailors participate in a Great Lakes Naval trainin...

Woman, full-length, seated, facing left, turning dial of a console radio ca. 1909
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Woman, full-length, seated, facing left, turning d...

Display of Philco radios in a store window ca. 1909
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Display of Philco radios in a store window ca. 190...

Radio Operator ca. 1910
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Radio Operator ca. 1910

Radio Operator ca. 1910
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Radio Operator ca. 1910

Captain Charles Lockwood
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Captain Charles Lockwood

President Franklin Roosevelt delivering his Christmas Eve radio address
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President Franklin Roosevelt delivering his Christ...

Man listening to radio circa 1936.
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Man listening to radio circa 1936.

Worker operating a new radio teletypewriter service which allows for instantaneous transmission of written records without the aid of wires, has been perfected by the experts of the Bureau of Air Comm...
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Worker operating a new radio teletypewriter servic...

Columbia Broadcasting System. Arch McDonald, Warren Sweeney, and helpers at ball park, 4/19/38.
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Columbia Broadcasting System. Arch McDonald, Warre...

Front door of Police Radio Station circa 1938.
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Front door of Police Radio Station circa 1938.

1938 United States broadcasting map .
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1938 United States broadcasting map .

Man speaking to a radio audience via a WOL-AM radio microphone circa 1936.
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Man speaking to a radio audience via a WOL-AM radi...

Singer Lawrence Tibbett, song-bird star of 'The Circle,' well known radio program, stepped out of the flag ship of the American Airlines for a visit to Washington D.C. circa 1939.
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Singer Lawrence Tibbett, song-bird star of 'The Ci...

Dr. L.F. Curtiss, of the U.S. Bureau of Standards, is shown here with part of the equipment he uses in experiments using radio to gather meteorological data at great altitudes circa 10/17/1935.
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Dr. L.F. Curtiss, of the U.S. Bureau of Standards,...

Man sitting in chair listening to a radio and tuning the radio circa 1936.
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Man sitting in chair listening to a radio and tuni...

Rival All-Star managers. Washington D.C., July 7. Joe McCarthy, manager of American All-Stars, and Bill Terry, leaders of the Nationals, pose before their respective teams took the field today for the...
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Rival All-Star managers. Washington D.C., July 7. ...

Front door of Police Radio Station circa 1938.
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Front door of Police Radio Station circa 1938.

An Early Tuned Circuit
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An Early Tuned Circuit

Fleming's First Vacuum Tube
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Fleming's First Vacuum Tube