File:Tungsram MR-X radio transmitter tube for audio communication (1917).png

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Original file ‎(629 × 659 pixels, file size: 347 KB, MIME type: image/png)

Captions

Captions

Tungsram MR-X radio transmitter tube for audio communication (1917)

Summary[edit]

Description
English: Tungsram MR-X radio transmitter tube for audio communication (1917)
Date
Source http://www.holux.hu/publikaciok/A_Tungsram_marka_tortenete.pdf
Author This photo was shot in 1917 by the TUNGSRAM Company

Licensing[edit]

Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

File history

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

Date/TimeThumbnailDimensionsUserComment
current09:18, 4 May 2019Thumbnail for version as of 09:18, 4 May 2019629 × 659 (347 KB)Draguler (talk | contribs)User created page with UploadWizard

You cannot overwrite this file.

There are no pages that use this file.

File usage on other wikis

The following other wikis use this file:

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:Tungsram_MR-X_radio_transmitter_tube_for_audio_communication_(1917).png&oldid=858890047"