File:Telegraphone with operator.png
Size of this preview: 476 × 599 pixels. Other resolutions: 191 × 240 pixels | 381 × 480 pixels | 610 × 768 pixels | 1,221 × 1,536 pixels.
Original file (1,221 × 1,536 pixels, file size: 809 KB, MIME type: image/png)
 | 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 | Telegraphone with operator. The Telegraphone was an early magnetic sound recording and playback device that used a telephone-type microphone and earphone. Typical units recorded on steel wire. The less common steel disc format is in use here. | ||
| Date | circa 1907. | ||
| Source |
|
||
| Author |
Licensing
 |
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
|
 |
 |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:10, 10 August 2007 | | 1,221 × 1,536 (809 KB) | Bubamara | {{Information |Description=Telegraphone with operator |Source={{LOC-image|id=cph.3b21133}} |Date=c1907. |Author= |Permission= |other_versions= }} Category:Black and white photographs of women |
File usage
The following page uses this file:
