Wikimedi'Òc

Bacon & Day Silver Bell Banjo (c.1922, reproduction), Gibson Banjo, Concertone Banjo (c.1920s), Museum of Making Music.jpg - Flickr upload bot

Carbon microphone, c. 1920s, Ellis Electrical Laboratories - Museum of Science and Industry (Chicago) - DSC06626.JPG - Daderot

Vintage Ever-Ready "Radio" Steel Safety Razor Blades, Circa 1920s (8571533175).jpg - Tm

Vintage "The Famous Improved Kleer-Tone" Radio Module By Research Laboratories, Inc., Des Moines, Iowa, Stated Purpose Was To Improve Radio Reception, Circa 1920s (14314066553).jpg - Tm

Vintage Fiat Brand Wood Radio Loop Antenna, About 29 Inches Tall And 14 Inches Wide, Circa 1920s (14776778139).jpg - Tm

Vintage Duo-Spiral Loop Antenna By Radio Units, Inc., Maywood, Ill., Circa 1920s (14969446205).jpg - Tm

Racon theater horn loudspeaker.jpg - Chetvorno

Vintage 1920s-Era Radio Reception Device - The Radio Master, 4 Radio Instruments In 1 By Master Laboratories, Made In USA (15389926910).jpg - INeverCry

Vintage Keystone Radio Lightning Arrester By Electric Service Supplies Co., Circa 1920s (14955399063).jpg - INeverCry

Vintage 1920s-Era Elimino Aerial Eliminator For Radios, Made In USA (15552260186).jpg - INeverCry

ATG - NPTM Photothon 72.jpg - Georgiev Antonio

ATG - NPTM Photothon 73.jpg - Georgiev Antonio

NPTM photothon - pocket gramophone Mikifon - 1930s.jpg - Spiritia

Berlin Muzeum Techniki 32.jpg - Andrzej O

Le Concert Automatique Francais, undated - Kanazawa Phonograph Museum - Kanazawa, Japan - DSC00985.jpg - Daderot

Vintage The Famous Improved Kleer-Tone Radio Module By Research Laboratories, Inc., Des Moines, Iowa, Stated Purpose Was To Improve Radio Reception, Circa 1920s (14314066553).jpg - Retired electrician

Vintage Birnbach White Ceramic All Wave Doublet Lightning Arresters For Radio Receiver Protection, No. 2650, Made In USA, Circa 1920s (34348425293).jpg - Retired electrician

Filmdienstprojektor-2.jpg - Sareth-Anke