Size of this preview:
765 × 600 pixels. Other resolutions:
306 × 240 pixels |
612 × 480 pixels |
980 × 768 pixels |
1,078 × 845 pixels.
Original file (1,078 × 845 pixels, file size: 349 KB, MIME type: image/jpeg)
 | This is a file from the
Wikimedia Commons. Information from its
description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: Photograph of Charles Herrold's San Jose California radio laboratory, circa 1912. Herrold is standing in the doorway. According to Thorn L. Mayes' "Wireless Communication in the United States" (page 204), the individuals pictured are, left-to-right: Kenneth Saunders, E. A. Portal, Herrold and Frank Schmidt. |
| Date | |
| Source | Photograph included in the article "Experiments on Ground Antenna with Their Relation to Atmospherics" by Charles D. Herrold, which appeared on page 11 of the July 1919 issue of Radio Amateur News |
| Author | Magazine illustration |
Licensing
|
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.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional
copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:25, 14 February 2018 |
| 1,078 × 845 (349 KB) | Thomas H. White | User created page with UploadWizard |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on es.wikipedia.org
- Usage on zh.wikipedia.org
