Arkivism
Twelve or thirteen of the naval districts throughout the United States are to be supplied with the short-wave transmitter shown in this photograph. This radio sending equipment, operated between a range of 40 and 80 meters, was designed by A.M. Trogner (shown in the picture) of the naval research la
Public domain

Twelve or thirteen of the naval districts throughout the United States are to be supplied with the short-wave transmitter shown in this photograph. This radio sending equipment, operated between a range of 40 and 80 meters, was designed by A.M. Trogner (shown in the picture) of the naval research la

Harris & Ewing · 1923 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
glass negativesunited states
Credit lineTwelve or thirteen of the naval districts throughout the United States are to be supplied with the short-wave transmitter shown in this photograph. This radio sending equipment, operated between a ran. 1923. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
Open in Explore View at source

Similar works

What is the wave-length of "Old Man Static," nature's most powerful broadcasting station? This photographed [sic] shows E.B. Judson of the Bureau of Standards and the static recorder he is using to run down the pranks of static and also to determine on what wave lengths this trouble-maker to radio rWhat is the wave-length of "Old Man Static," nature's most powerful broadcasting station? This photographed [sic] shows E.B. Judson of the Bureau of Standards and the static recorder he is using to run down the pranks of static and also to determine on what wave lengths this trouble-maker to radio r Dr. J. Harris Rogers, of Hyattsville, MD., inventor of underground and under water radio communication systems, is shown with the loop antenna he used recently in receiving signals from [...] the Atlantic Ocean, this loop was submerged as wellDr. J. Harris Rogers, of Hyattsville, MD., inventor of underground and under water radio communication systems, is shown with the loop antenna he used recently in receiving signals from [...] the Atlantic Ocean, this loop was submerged as well Marconi, Dr. W.R. Whitney, and Dr. Irving LangmuirMarconi, Dr. W.R. Whitney, and Dr. Irving Langmuir F.W. Dunmore of the radio laboratory of the bureau of standards shown with the radio laboratory in his home. By means of wires extending through his residence he can provide radio entertainment to the bedroom, kitchen, sewing room, sitting room, sleeping porch and basement. He can also make an extenF.W. Dunmore of the radio laboratory of the bureau of standards shown with the radio laboratory in his home. By means of wires extending through his residence he can provide radio entertainment to the bedroom, kitchen, sewing room, sitting room, sleeping porch and basement. He can also make an exten NO CAPTIONNO CAPTION Joseph Burton Kincer, Principal Meteorologist, Weather BureauJoseph Burton Kincer, Principal Meteorologist, Weather Bureau