Jez @ Peak Electronic Design Ltd 💙🇪🇺 on Twitter: "So even though the germanium OA85 diode starts conducting at very low voltages (that's why they make good "crystal set" detectors), its forward
General Purpose Germanium Diode Vintage Radio etc. OMA0068 | Rich Electronics
File:Courbe diode OA85.JPG - Wikimedia Commons
OA85, 0A85 Mullard / Philips Large Black Glass Germanium Diode Made in Germany 2 | eBay