radio equipment

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Radio 3 maj 1968 - örebro kuriren

Radio 3 maj 1968 - örebro kuriren

Radio 3 maj 1968 Public domain photograph, 1900s Sweden, free to use, no copyright restrictions image - Picryl description.

Årets match 18 januari 1965 Sverige. Public domain image.

Årets match 18 januari 1965 Sverige. Public domain image.

Årets match 18 januari 1965 Public domain photograph, 1900s Sweden, free to use, no copyright restrictions image - Picryl description.

Radio 3 maj 1968 Sverige. Public domain image.

Radio 3 maj 1968 Sverige. Public domain image.

Radio 3 maj 1968 Public domain photograph, 1900s Sweden, free to use, no copyright restrictions image - Picryl description.

22 november 1958. Örebro, Sverive

22 november 1958. Örebro, Sverive

22 november 1958. Public domain photograph, 1900s Sweden, free to use, no copyright restrictions image - Picryl description.

Snatteri 16 mars 1966 Sverige. Public domain image.

Snatteri 16 mars 1966 Sverige. Public domain image.

Snatteri 16 mars 1966 Public domain photograph, 1900s Sweden, free to use, no copyright restrictions image - Picryl description.

Centralföreningens 50-årsjubileum.Juni 1956.

Centralföreningens 50-årsjubileum.Juni 1956.

Centralföreningens 50-årsjubileum.Juni 1956. Public domain photograph, 1900s Sweden, free to use, no copyright restrictions image - Picryl description.

Vismästerskapet, 23 september 1966.

Vismästerskapet, 23 september 1966.

Vismästerskapet, 23 september 1966. Public domain photograph, 1900s Sweden, free to use, no copyright restrictions image - Picryl description.

Rullande husvagn.19 september 1955.

Rullande husvagn.19 september 1955.

Rullande husvagn.19 september 1955. Public domain photograph, 1900s Sweden, free to use, no copyright restrictions image - Picryl description.

Sveriges första telefonväxel (Stockholms Bell Telefon AB) 1880.

Sveriges första telefonväxel (Stockholms Bell Telefon AB) 1880.

Sveriges första telefonväxel (Stockholms Bell Telefon AB) 1880.

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som undervisningsmaterial. Bäckström var Sveriges förste professor i fotografi vid Kungliga Tekniska Högskolan 1948-1958. Optische Anstalt C. P. Goerz, Berlin.

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som undervisningsmaterial. Bäckström var Sveriges förste professor i fotografi vid Kungliga ... More

Hare - Public domain portrait photograph

Hare - Public domain portrait photograph

An old photo of a man sitting at a desk. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Onsala Kustradio Radiotelegrafist Stig Linde.

Onsala Kustradio Radiotelegrafist Stig Linde.

Onsala Kustradio Radiotelegrafist Stig Linde. Public domain photograph - Sweden in 20th century, no copyright restrictions image - Picryl description

Skorped Telefonstation, Skorped, Ångermanland, telefonisten Anna Rittcen.

Skorped Telefonstation, Skorped, Ångermanland, telefonisten Anna Rittc...

Skorped Telefonstation, Skorped, Ångermanland, telefonisten Anna Rittcen.

DIG40121Kustradio, Onsala Expeditionsbord. man vid radiosändarstation.

DIG40121Kustradio, Onsala Expeditionsbord. man vid radiosändarstation.

Kustradio, Onsala Expeditionsbord. man vid radiosändarstation.

Roberts - Glass negative photogrpah. Public domain.

Roberts - Glass negative photogrpah. Public domain.

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Radiostation. Bromma radio. Rtgt möjligen V. Strömberg.

Radiostation. Bromma radio. Rtgt möjligen V. Strömberg.

Radiostation. Bromma radio. Rtgt möjligen V. Strömberg.

Safety device for blind landing of air-track. Washington D.C. The monitoring device of the air-track blind landing in the above photo tells the man on the ground if all the beams are being sent out correctly if there is any error in transmission of the beams this machine will pick It up immediately and the pilot can be notified to come into the airdrome again while corrections can be made

Safety device for blind landing of air-track. Washington D.C. The moni...

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Stockholm Östermalm. Undersökning av register.

Stockholm Östermalm. Undersökning av register.

Stockholm Östermalm. Undersökning av register. Public domain photograph - Sweden in 20th century, no copyright restrictions image - Picryl description

Elever vid Institutionen för fotografi vid Kungliga Tekniska Högskolan för Helmer Bäckström var professor.

Elever vid Institutionen för fotografi vid Kungliga Tekniska Högskolan...

Elever vid Institutionen för fotografi vid Kungliga Tekniska Högskolan för Helmer Bäckström var professor.

E.T. Gundlach - Public domain portrait photograph

E.T. Gundlach - Public domain portrait photograph

A black and white photo of a man sitting at a desk. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Murphy, George Grantham Bain Collection

Murphy, George Grantham Bain Collection

Photograph shows American tenor opera singer Lambert Murphy (1885-1954). (Source: Flickr Commons project, 2017) Title from data provided by the Bain News Service on the negative. Forms part of: George Grantham ... More

L.M. Cockaday & Maj. Banning - Glass negative photogrpah. Public domain.

L.M. Cockaday & Maj. Banning - Glass negative photogrpah. Public domai...

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Nynäshamn. Televerkstaden, okänt år. Test av telefonapparat.

Nynäshamn. Televerkstaden, okänt år. Test av telefonapparat.

Nynäshamn. Televerkstaden, okänt år. Test av telefonapparat.

Brauns reseradio Transistor fick tillsammans med andra Braun-apparater "Grand-Prix" vid XL Triennalen i Milano 1957. Priset är det förnämsta internationella utmärkelse som kunde ges för att belöna god industriell formgivning. Braun Transistor är ritad av designern Dieter Rams hos Max Braun Frankfurt/Main, Istället för radiorör har apparaten sju transistorer i varje batteri (som kostade 6 kr) och räckte för 800-1000 lyssningstimmar. Kom på svenska marknaden i maj 1957 eller 1958.

Brauns reseradio Transistor fick tillsammans med andra Braun-apparater...

Brauns reseradio Transistor fick tillsammans med andra Braun-apparater "Grand-Prix" vid XL Triennalen i Milano 1957. Priset är det förnämsta internationella utmärkelse som kunde ges för att belöna god industrie... More

Murphy - Glass negative photogrpah. Public domain.

Murphy - Glass negative photogrpah. Public domain.

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Sandvikens Järnverk (Sandvikens Jernverk). Slutkontroll av rostritt rakklingstål före leveransen från Sandviken. Det var mycket stora krav på exakta dimensioner, god fason och fina ytor på stålet.

Sandvikens Järnverk (Sandvikens Jernverk). Slutkontroll av rostritt ra...

Sandvikens Järnverk (Sandvikens Jernverk). Slutkontroll av rostritt rakklingstål före leveransen från Sandviken. Det var mycket stora krav på exakta dimensioner, god fason och fina ytor på stålet.

Kustradio, Onsala Expeditionsbord. man vid radiosändarstation.

Kustradio, Onsala Expeditionsbord. man vid radiosändarstation.

Kustradio, Onsala Expeditionsbord. man vid radiosändarstation.

Hare, George Grantham Bain Collection

Hare, George Grantham Bain Collection

Title from unverified data provided by the Bain News Service on the negatives or caption cards. Forms part of: George Grantham Bain Collection (Library of Congress). General information about the George Grantha... More

Brickskin - Glass negative photogrpah. Public domain.

Brickskin - Glass negative photogrpah. Public domain.

Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.

Här använder man radioaktiva bakterier för att undersöka olika tvålars och tvättmedels förmåga att rengöra tvätt. Matade med radioaktivt material har bakterierna sedan placerats på små tygstycken, vart och ett därefter tvättat med olika tvålar. Om en enda radioaktiv bakterie kvarblivit på tygbiten, kan detta konstaterats. Teknikern på bilden undersöker med Geigerräknare mängden av kvarstannade radioaktiva bakterier på sådana tygbitar.

Här använder man radioaktiva bakterier för att undersöka olika tvålars...

Här använder man radioaktiva bakterier för att undersöka olika tvålars och tvättmedels förmåga att rengöra tvätt. Matade med radioaktivt material har bakterierna sedan placerats på små tygstycken, vart och ett ... More

(uppgifter saknas) Falköping, Sweden

(uppgifter saknas) Falköping, Sweden

No caption Public domain photograph related to electrical equipment, industrial development, free to use, no copyright restrictions image - Picryl description

Standard Radiofabrik i Ulvsunda, Stockholm. Mobil radioutrustning med siffersändning och siffermottagande tillsatsutrustning för möjliggörande av selektiva anrop.

Standard Radiofabrik i Ulvsunda, Stockholm. Mobil radioutrustning med ...

Standard Radiofabrik i Ulvsunda, Stockholm. Mobil radioutrustning med siffersändning och siffermottagande tillsatsutrustning för möjliggörande av selektiva anrop.

Roberts, George Grantham Bain Collection

Roberts, George Grantham Bain Collection

Title from unverified data provided by the Bain News Service on the negatives or caption cards. Forms part of: George Grantham Bain Collection (Library of Congress). General information about the George Grantha... More

Communications: Radios - Minnesota, National Forest Service photograph.

Communications: Radios - Minnesota, National Forest Service photograph...

Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History

Rikstelefonstationen i Falun efter 1904.

Rikstelefonstationen i Falun efter 1904.

Rikstelefonstationen i Falun efter 1904. Public domain photograph - Sweden in 20th century, no copyright restrictions image - Picryl description

Harris and Ewing, Washington, D.C.

Harris and Ewing, Washington, D.C.

A black and white photo of a man in a suit, Library of Congress Harris and Ewing collection Portraits and news photographs by Washington, D.C.-based firm, showing people, events, architecture in Washington, D.... More

Harris and Ewing, Washington, D.C.

Harris and Ewing, Washington, D.C.

A black and white photo of a man in a suit, Library of Congress Harris and Ewing collection Portraits and news photographs by Washington, D.C.-based firm, showing people, events, architecture in Washington, D.... More

Brent Daniel, formerly of the Radio Laboratory of the Bureau of Standards at Washington, with the first portable Super-Heterodyne, his own design. The seven vacuum tubes, batteries, loop antenna, loud speaker, and other necessary units are completely self-contained in the carrying case. He has been able to hear Pacific Coast stations from this outfit

Brent Daniel, formerly of the Radio Laboratory of the Bureau of Standa...

A black and white photo of a man sitting in front of an old radio, Library of Congress Harris and Ewing collection Title from negative or negative sleeve. Date span based on active dates of Harris & Ewing, Inc... More

Brent Daniel, formerly of the Radio Laboratory of the Bureau of Standards at Washington, with the first portable Super-Heterodyne, his own design. The seven vacuum tubes, batteries, loop antenna, loud speaker, and other necessary units are completely self-contained in the carrying case. He has been able to hear Pacific Coast stations from this outfit

Brent Daniel, formerly of the Radio Laboratory of the Bureau of Standa...

Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Göteborg telefonstation år 1906.

Göteborg telefonstation år 1906.

Göteborg telefonstation år 1906. Public domain photograph - Sweden in 20th century, no copyright restrictions image - Picryl description

General P. Oroszco, Chihuahua - Glass negative photogrpah. Public domain.

General P. Oroszco, Chihuahua - Glass negative photogrpah. Public doma...

Photo shows Mexican revolutionary leader Pascual Orozco (1882-1915) (Source: Flickr Commons project, 2008)

Harris and Ewing, Washington, D.C.

Harris and Ewing, Washington, D.C.

A black and white photo of a woman holding a microphone, Library of Congress Harris and Ewing collection Portraits and news photographs by Washington, D.C.-based firm, showing people, events, architecture in W... More

Harris and Ewing, Washington, D.C.

Harris and Ewing, Washington, D.C.

A black and white photo of a woman holding a microphone, Library of Congress Harris and Ewing collection Portraits and news photographs by Washington, D.C.-based firm, showing people, events, architecture in W... More

O.H. Caldwell - Glass negative photogrpah. Public domain.

O.H. Caldwell - Glass negative photogrpah. Public domain.

Photograph shows Orestes Hampton Caldwell (1888-1967) who was appointed to the Federal Radio Commission in 1927. (Source: Flickr Commons project, 2014)

Breeskin, George Grantham Bain Collection

Breeskin, George Grantham Bain Collection

Title from data provided by the Bain News Service on the negative. Forms part of: George Grantham Bain Collection (Library of Congress). General information about the George Grantham Bain Collection is availabl... More

TEKA0003810, Tekniska museet, Sweden

TEKA0003810, Tekniska museet, Sweden

TEKA0003810 Public domain photograph - Sweden in 20th century, no copyright restrictions image - Picryl description

Airplanes - Radio Equipment - Equipment for seaplanes built at Naval Aircraft Factory, Phila., PA. Radio transmitter in F-5-L Front view

Airplanes - Radio Equipment - Equipment for seaplanes built at Naval A...

Photographer: Naval Aircraft Factory Airplanes - Radio Equipment Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Radio Equipment - Aeroplane parts. Radio equipment

Airplanes - Radio Equipment - Aeroplane parts. Radio equipment

Date Taken: 1915 Airplanes - Radio Equipment Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Radio Equipment - Aviation Experiment Station, Hampton, Virginia. Wireless apparatus for aerial work

Airplanes - Radio Equipment - Aviation Experiment Station, Hampton, Vi...

Date Taken: 9/11/1917 Airplanes - Radio Equipment Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Radio Equipment - Navy's latest flying boat F-5-L showing wireless telephone and telegraph operator at work. Shows fuselage of Navy's latest flying beat F-5-L. The flying beat is fully equipped carrying the latest invention in the way of wireless telephone and telegraph. The machine carries four people and 230 aeroplane bombs, and is armed with 10 Lewis machine guns and one Davis gun. From Keystone View Co

Airplanes - Radio Equipment - Navy's latest flying boat F-5-L showing ...

Photographer: Keystone View Co. Airplanes - Radio Equipment Public domain photograph related to development of telegraph, free to use, no copyright restrictions image - Picryl description

Airplanes - Radio Equipment - Equipment for seaplanes built at Naval Aircraft Factory, Phila., PA. F-5-L radio installation showing rear view of transmitter

Airplanes - Radio Equipment - Equipment for seaplanes built at Naval A...

Photographer: Naval Aircraft Factory Airplanes - Radio Equipment Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Radio Equipment - This is what an airman wears when he used the wireless telephone. It looks like a gas mask

Airplanes - Radio Equipment - This is what an airman wears when he use...

Photographer: Buck Studio: Wash. D.C. Airplanes - Radio Equipment Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Radio Equipment - Airplanes and parts manufactured for government use. F 5-L Antenna reel, installation for wireless. After pilot's cockpit. At Naval Aircraft Factory, Philadelphia, PA. U.S. Navy Department

Airplanes - Radio Equipment - Airplanes and parts manufactured for gov...

Date Taken: 10/24/1918 Photographer: U.S. Navy Department Airplanes - Radio Equipment

Airplanes - Radio Equipment - Aeroplane parts. Radio equipment

Airplanes - Radio Equipment - Aeroplane parts. Radio equipment

Date Taken: 1915 Airplanes - Radio Equipment Public domain photograph of aircraft, free to use, no copyright restrictions image - Picryl description

Airplanes - Radio Equipment - MFR. Of Airplanes at Plant of Dayton-Wright Co., Dayton & Moraine City, Ohio. Gunner in De Haviland plane using inter-communicating telephone & wireless

Airplanes - Radio Equipment - MFR. Of Airplanes at Plant of Dayton-Wri...

Photographer: Dayton-Wright Co. Airplanes - Radio Equipment Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

Airplanes - Radio Equipment - Equipment for seaplanes built at Naval Aircraft Factory, Phila., PA. F-5-L radio installation boat 3567 looking forward. After pilot's cockpit

Airplanes - Radio Equipment - Equipment for seaplanes built at Naval A...

Photographer: Naval Aircraft Factory Airplanes - Radio Equipment Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description

E.T. Gundlach, George Grantham Bain Collection

E.T. Gundlach, George Grantham Bain Collection

Photograph shows businessman Ernst Theodore Gundlach (d. 1942) who served as chairman of the Employers' Industrial Commission of the Department of Labor, which investigated labor conditions and unrest in Englan... More

Capitol Radio Engineering Institute. Microphone and radio equipment at Capitol Radio Engineering Institute

Capitol Radio Engineering Institute. Microphone and radio equipment at...

Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More

Capitol Radio Engineering Institute. Students examining radio at Capitol Radio Engineering Institute

Capitol Radio Engineering Institute. Students examining radio at Capit...

The Architect of the Capitol (AOC) is the federal agency responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex, which includes the U.S. Capitol building,... More

Capitol Radio Engineering Institute. Radio equipment at Capitol Radio Engineering Institute

Capitol Radio Engineering Institute. Radio equipment at Capitol Radio ...

Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More

Washington School for Secretaries. Woman at desk with telephones at Washington School for Secretaries II

Washington School for Secretaries. Woman at desk with telephones at Wa...

Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More

Radio Commonwealth - Australian Troops in World War Two

Radio Commonwealth - Australian Troops in World War Two

ID number: HOLJ0129.Photographer: Claude R Holzheimer.Place: Imjin River area, Korea..Chief Australian announcer Sergeant Kevin Joseph O'Donnell in the caravan broadcasting studio of 'Radio Commonwealth', locat... More

Electric Institute of Washington. Woman working on vacuum cleaner

Electric Institute of Washington. Woman working on vacuum cleaner

Public domain photograph of 1920s American woman, free to use, no copyright restrictions image - Picryl description

Capitol Radio Engineering Institute. Students examining radio at Capitol Radio Engineering Institute

Capitol Radio Engineering Institute. Students examining radio at Capit...

Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More

L.M. Cockaday & Maj. K. Banning

L.M. Cockaday & Maj. K. Banning

Title from data provided by the Bain News Service on the negative. Forms part of: George Grantham Bain Collection (Library of Congress). General information about the George Grantham Bain Collection is availabl... More

Electric Institute of Washington. Woman working on vacuum cleaner

Electric Institute of Washington. Woman working on vacuum cleaner

Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More

Miscellaneous subjects. Man holding radio in box

Miscellaneous subjects. Man holding radio in box

Titles devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to the 19... More

[Young woman tuning a radio], National Photo Company, Washington DC

[Young woman tuning a radio], National Photo Company, Washington DC

National Photo Company Collection. Public domain photograph of cabinet, furniture, free to use, no copyright restrictions image - Picryl description

Electric Institute of Washington. Refrigerator display, first floor II

Electric Institute of Washington. Refrigerator display, first floor II

The Theodor Horydczak Collection documents the architecture and social life of the Washington DC metropolitan area in the 1920s, 1930s, and 1940s.

Washington School for Secretaries. Woman at desk with telephones at Washington School for Secretaries II

Washington School for Secretaries. Woman at desk with telephones at Wa...

Public domain photograph of 1920s American woman, free to use, no copyright restrictions image - Picryl description

Capitol Radio Engineering Institute. Students and teacher around radio equipment at Capitol Radio Engineering Institute

Capitol Radio Engineering Institute. Students and teacher around radio...

Item title devised. The Theodor Horydczak Collection is a collection of photographs taken by Theodor Horydczak (1890-1971) a Polish-born American photographer who worked in Washington D.C. from the 1910s to th... More

[Ham operator with his amateur radio equipment]

[Ham operator with his amateur radio equipment]

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Jack Dempsey operating 2-way wireless radio

Jack Dempsey operating 2-way wireless radio

Photo by Quimby. This record contains unverified, old data from caption card.

[Mary Texanna Loomis, seated, with her radio apparatus in her radio school]

[Mary Texanna Loomis, seated, with her radio apparatus in her radio sc...

Public domain photograph - Portrait, United States, free to use, no copyright restrictions image - Picryl description

Youthful radio expert - Public domain  print

Youthful radio expert - Public domain print

John Iringle, fourteen years old, with well equipped radio outfit, which he constructed, Chicago, Ill. Photograph by Underwood & Underwood. No. CH 12329.

Aircrew Survival Equipmentman 3rd Class Elvin RodriguezCruz, left, and Aircrew Survival Equipmentman 2nd Class Ronnie Inconstanti inspect radio equipment aboard the aircraft carrier USS Nimitz (CVN 68).

Aircrew Survival Equipmentman 3rd Class Elvin RodriguezCruz, left, and...

NORTH ARABIAN SEA (Jul. 16, 2013) Aircrew Survival Equipmentman 3rd Class Elvin RodriguezCruz, left, and Aircrew Survival Equipmentman 2nd Class Ronnie Inconstanti inspect radio equipment aboard the aircraft ca... More

Brennan Radio - Glass negative photogrpah. Public domain.

Brennan Radio - Glass negative photogrpah. Public domain.

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Hotel Vanderbilt installs radiophone set - here's the new operator

Hotel Vanderbilt installs radiophone set - here's the new operator

Photograph shows Mollie Culligan, half-length portrait, wearing radio headset, seated at table with radio. No. 316692. Copyright by Underwood & Underwood, N.Y.

"Samma radiostation, samma mikrofon, samma hallåman 50 år efteråt - samtliga nu museiföremål". Telemuseum Karlaplan 2, sommaren 1972.(Se föregående bild". Neg. 04-60493-1.Einar Malmgren var hallåman vid de första försöken med rundradio 1922 på telegrafverkets undervisningsanstalt. Rörsändare  från Svenska Radioaktiebolaget.

"Samma radiostation, samma mikrofon, samma hallåman 50 år efteråt - sa...

"Samma radiostation, samma mikrofon, samma hallåman 50 år efteråt - samtliga nu museiföremål". Telemuseum Karlaplan 2, sommaren 1972.(Se föregående bild". Neg. 04-60493-1.Einar Malmgren var hallåman vid de förs... More

Brennan Radio - Glass negative photogrpah. Public domain.

Brennan Radio - Glass negative photogrpah. Public domain.

Title from unverified data provided by the National Photo Company on the negative or negative sleeve. Date from negatives in same range. Gift; Herbert A. French; 1947. General information about the National Pho... More

Rep. Vincent M. Brennan, of Mich., listening in at his office to the debates of floor of House. Mr. Brennan has introduced resolution providing for broadcasting to the country of the proceedings and debates of Congress through the Navy Air Station at Arlington

Rep. Vincent M. Brennan, of Mich., listening in at his office to the d...

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Rep. Vincent M. Brennan, of Mich., listening in at his office to the debates of floor of House. Mr. Brennan has introduced resolution providing for broadcasting to the country of the proceedings and debates of Congress through the Navy Air Station at Arlington

Rep. Vincent M. Brennan, of Mich., listening in at his office to the d...

A black and white photo of a man sitting in a chair, Library of Congress Harris and Ewing collection Title from unverified caption data on negative or negative sleeve. Date based on date of negatives in same r... More

Postmaster General Work and his assistants inspecting the Radio equipment recently installed on aero mail planes

Postmaster General Work and his assistants inspecting the Radio equipm...

Five men with the equipment in front of airplane. Title and other information transcribed from caption card and item. In album: Washington, D.C., 1922, v. 4, Herbert E. French, National Photo Company. National ... More

Harris and Ewing, Washington, D.C.

Harris and Ewing, Washington, D.C.

A black and white photo of a man sitting at a table, Library of Congress Harris and Ewing collection Portraits and news photographs by Washington, D.C.-based firm, showing people, events, architecture in Washi... More

Harris and Ewing, Washington, D.C.

Harris and Ewing, Washington, D.C.

A black and white photo of a man sitting at a desk, Library of Congress Harris and Ewing collection Portraits and news photographs by Washington, D.C.-based firm, showing people, events, architecture in Washin... More

From Harris & Ewing Inc. collection, Washington DC, 1920-1930

From Harris & Ewing Inc. collection, Washington DC, 1920-1930

A man in a suit working on a machine, Library of Congress Harris and Ewing collection Date based on date of negatives in same range. Gift; Harris & Ewing, Inc. 1955. General information about the Harris & Ewin... More

Harris and Ewing, Washington, D.C.

Harris and Ewing, Washington, D.C.

A black and white photo of a man holding a radio, Library of Congress Harris and Ewing collection Portraits and news photographs by Washington, D.C.-based firm, showing people, events, architecture in Washingt... More

J.B. Irwin operating the control panel of the Western Electric public address system at the Capitol Theater, N.Y.

J.B. Irwin operating the control panel of the Western Electric public ...

J259777 U.S. Copyright Office. Photo by Morris Rosenfeld. This record contains unverified, old data from caption card. Caption card tracings: Public address systems; BI; NY New York City, Capitol Th.; Electroni... More

Harris and Ewing, Washington, D.C.

Harris and Ewing, Washington, D.C.

A man in a suit working on a machine, Library of Congress Harris and Ewing collection Portraits and news photographs by Washington, D.C.-based firm, showing people, events, architecture in Washington, D.C. and... More

[Men at medium wave receiver and typewriters]

[Men at medium wave receiver and typewriters]

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

A new use for discarded automobile horns has been discovered by Dr. William C. Fowler, health officer of Wash., D.C. Dr. Fowler has adapted an old rams-horn type auto horn, a relic of the days when they blew them with bulbs, and fitted it to his radio to serve as a loud speaker. This gives as good a tone as any he could buy, he says

A new use for discarded automobile horns has been discovered by Dr. Wi...

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

The latest in radio development which has been perfected by Mr. H.P. O'Reilly of Wash., D.C.

The latest in radio development which has been perfected by Mr. H.P. O...

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

A new use for discarded automobile horns has been discovered by Dr. William C. Fowler, health officer of Wash., D.C. Dr. Fowler has adapted an old rams-horn type auto horn, a relic of the days when they blew them with bulbs, and fitted it to his radio to serve as a loud speaker. This gives as good a tone as any he could buy, he says

A new use for discarded automobile horns has been discovered by Dr. Wi...

A man sitting in front of an old fashioned radio, Library of Congress Harris and Ewing collection Title from unverified caption data on negative or negative sleeve. Date based on date of negatives in same rang... More

Radio equipment used on automobiles during the campaign

Radio equipment used on automobiles during the campaign

President Coolidge, full-length portrait, standing, facing front, with his right hand on piece of radio equipment on automobile. National Photo Company Collection. Item in album: v. 2, p. 12, no. 31890.

Telephone machinery? - Glass negative photogrpah. Public domain.

Telephone machinery? - Glass negative photogrpah. Public domain.

A black and white photo of a man wearing headphones, Library of Congress Harris and Ewing collection Date based on date of negatives in same range. Gift; Harris & Ewing, Inc. 1955. General information about th... More

[Telephone machinery?] - Public domain portrait photograph

[Telephone machinery?] - Public domain portrait photograph

Public domain photograph, 1910s-1920s portrait, American, free to use, no copyright restrictions image - Picryl description

Brunkebergstorg 2. Stockholms Rundradiostation nr 2, år 1926.

Brunkebergstorg 2. Stockholms Rundradiostation nr 2, år 1926.

Brunkebergstorg 2. Stockholms Rundradiostation nr 2, år 1926.

Harris and Ewing, Washington, D.C.

Harris and Ewing, Washington, D.C.

A black and white photo of a man working on a radio, Library of Congress Harris and Ewing collection Portraits and news photographs by Washington, D.C.-based firm, showing people, events, architecture in Washi... More

Harris and Ewing, Washington, D.C.

Harris and Ewing, Washington, D.C.

A black and white photo of a man working on a radio, Library of Congress Harris and Ewing collection Portraits and news photographs by Washington, D.C.-based firm, showing people, events, architecture in Washi... More

Colored radio recorder is latest in radio receivers. E.B. Judson of the Bureau of Standards and his two colored radio recorder, automatically recording signals in two colors, red and black. This automatic receiver is capable of receiving signals from American or European stations

Colored radio recorder is latest in radio receivers. E.B. Judson of th...

A black and white photo of a man in a suit, Library of Congress Harris and Ewing collection Title from unverified caption data on negative or negative sleeve. On sleeve: Watch Your Credit Line. Gift; Harris & ... More

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