Audion (with spherical bulb), 1906

Made:
1906 in United States
maker:
Lee De

Spherical Audion tube with mounting.

Details

Category:
Electronic Components
Object Number:
1964-62
Materials:
textile covered electrical wires, plastic (unidentified), wood (unidentified), brass (copper, zinc alloy) and glass
Measurements:
overall (estimate): 110 mm x 86 mm x 86 mm, 0.1kg
type:
audion
credit:
Johnson, A.H.