File:Incandescent Electric Lighting - Fig 10a.png

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Summary

Description
English: An incandescent lamp out of its receptacle or socket.
Date
Source https://en.wikisource.org/wiki/Page:Incandescent_electric_lighting-_A_practical_description_of_the_Edison_system.djvu/40
Author Louis H. Latimer

Licensing

Public domain
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.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Incandescent_Electric_Lighting_-_Fig_10a.png

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