Triode Tube 1906
Type of document (medium)
Photograph
Creator
Maxwell, Gregory F.
Date created
2006
Format
image/jpeg
Extent
1835 × 1258 px
File size
47.2 KB
Description
The Audion vacuum tube, invented by Lee De Forest in 1906, made it possible to amplify the sound signal.
Note
A high-quality version of this media is available on Internet Archive.
Source
Rights
© Gregory F. Maxwell, 2006. Some rights reserved.
Identifier
ark:/17444/38991c/469
Record last modification date
2022-10-11
