Skip to content
Home
About
COLLECTIONS
ELECTRICITY
ELECTRONICS
COMPUTER TECHNOLOGY
TELECOMMUNICATIONS
THEMATIC PATHS
PROTAGONISTS
TIMELINE
ELECTRICITY
ELECTRONICS
COMPUTER TECHNOLOGY
TELECOMMUNICATIONS
ARCHIVE
Search
Home
About
COLLECTIONS
ELECTRICITY
ELECTRONICS
COMPUTER TECHNOLOGY
TELECOMMUNICATIONS
THEMATIC PATHS
PROTAGONISTS
TIMELINE
ELECTRICITY
ELECTRONICS
COMPUTER TECHNOLOGY
TELECOMMUNICATIONS
ARCHIVE
Search
1906
1906
Categories:
ELECTRONICS
Timeline:
ELECTRONICS
Triode
American inventor
Lee de Forest
invented the
triode
.
Post navigation
Previous:
Previous post:
1904
Next:
Next post:
1947
