File:Audion.jpg

No higher resolution available.

Audion.jpg ‎(167 × 387 pixels, file size: 25 KB, MIME type: image/jpeg)

De Forest Audion amplifier tube tin can

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:56, 20 January 2009		167 × 387 (25 KB)	Jvv (talk \| contribs)	De Forest Audion amplifier tube tin can

You cannot overwrite this file.

The following page uses this file:

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

_error	0