Vintage Gaytone EM-TONE Pocket Germanium Crystal Radio, Mo… | Flickr
File:Vintage Union Germanium Crystal Radio, Model GR-84, Made In Japan, Circa 1958 (48638055683).jpg - Wikimedia Commons
The Creative Science Centre - by Dr Jonathan P. Hare
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File:Vintage Planatair Germanium Crystal Radio, No. 76404, Planatair - World's Smallest Radio, Earphone Listening Only, Made In Japan, Circa 1965 (14856531343) (cropped).jpg - Wikimedia Commons
Germanium Radio Crystal Arrow Arrow Trading Co.; New York, NY, build
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Crystal Radio ~ Germanium Diode ~ 1950's Japan Import ~ NIB | eBay
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Crystal Radios
Vintage Lark Germanium Crystal Radio, Type ML-10, D.D.K. C… | Flickr
Crystal Radio Set AM MW with Crystal Earpiece Germanium Diode Variable Capacitor | eBay
File:Vintage Kent Germanium Crystal Radio, Model MG-50, Made In Japan, Circa 1950s (16294265736).jpg - Wikimedia Commons
Technical Trivia by Dr. FB / Why we don't use a silicon diode in a crystal radio?｜Jul.2020 - Monthly FB NEWS
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Remembering the Crystal Radio | Nuts & Volts Magazine
Germanium Crystal Radio 1960's | Pocket radio, Transistor radio, Vintage radio
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Tymkrs Germanium Diode Crystal Radio - YouTube
Kent Pocket Radio - Germanium Crystal Radio Crystal Unknown - CUSTOM | Radiomuseum
File:Vintage Arrow Germanium Crystal Radio (23708349181).jpg - Wikimedia Commons
