File:Telegraphone with operator.png

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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

This image is available from the United States Library of Congress's Prints and Photographs division
under the digital ID cph.3b21133.
This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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Author

This file is lacking author information.

Licensing

Public domain	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.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

File history

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	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:

Operator (profession)