ManufacturerSylvania Electric Products, Inc.
Dimensionsoverall: 3 3/4 in x 1/4 in x 1/4 in
DescriptionIncluded is a description card from the Transistor Museum that says, "
Device ID: Sylvania 1N34 diode
Type: Germanium point-contact
Case Color/Style: White ceramic cartridge
Vintage/Date Code: 1940s/1950S
Use: General purpose diode/radio detector
Notes: Released in 1946 by Sylvania, this is the first commercial germanium diode."