General Purpose Germanium Diode Vintage Radio etc. OMA0068 | Rich Electronics
Microscopy of the interior of a 1970's type germanium diode type OA85 in glass body. Left is anode, right is catode. The semiconductor cell is on the cathode. Stock Photo | Adobe
Mullard Black/Red OA85 Original Part Germanium Diode CS02 | eBay
OA85 DIODE Datasheet pdf - GERMANIUM DIODE. Equivalent, Catalog