Homemade 3-vacuumtube radio build by a Swedish carpenter Johan Edvin Olsson year 1927 who could not afford to buy one. Exhibit a

---

Homemade 3-vacuumtube radio build by a Swedish carpenter Johan Edvin Olsson year 1927 who could not afford to buy one. Exhibit at radio museum in Gothenburg. Sweden

---

Size: 3593px × 5417px
Photo credit: © Ladi Kirn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 3-vacuumtube, amplifier, antique, audio, broadcasting, bulb, cathode, communication, component, design, electric, electrical, electricity, electron, electronic, engineering, equipment, history, homemade, lamp, obsolete, radio, receiver, retro, revival, sound, style, technology, triode, tube, tuner, vacuum, vacuumtube, vintage, wave