Audion, 1908 model

Object summary

Title: Audion, 1908 model
Object ID: GCP-00005702
Maker: Bell Telephone Laboratories, Inc.
Object type: Photograph
Major collection: MIT History
Named collection: Biographical/Subject Files Collection
On view: Yes
Exhibition: Liquid Archive

Description

The 1908 model of the audion invented by Lee De Forest, photographed against a white background. The number "HM-3759" has been written on the bottom right corner of the image. Original caption: "The audion of Lee deForest - 1908 model - engineering beginning of electronics". Used in: Technology Review, June 1944, p.486. Original credit line: Bell Telephone Laboratories.