File:Edison incandescent lights.jpg
No higher resolution available.
Edison_incandescent_lights.jpg (737 × 388 pixels, file size: 84 KB, MIME type: image/jpeg)
|
This is a file from the Wikimedia Commons. The description on its description page there is shown below.
|
Summary
| Description |
English: Photo of early paper filament incandescent electric light bulbs invented by Thomas Alva Edison in 1879. The caption read: 'Edison's famous horseshoe paper-filament lamp of 1870. Copyright 1904 by William J. Hammer.' Alterations: cropped out caption and frame, increased brightness slightly. |
| Date | |
| Source | Downloaded from Elmer Ellsworth Burns (1910) The Story of Great Inventions, Harper & Brothers, New York, p.123, fig.59 on Google Books. |
| Author | William J. Hammer |
| Permission (Reusing this file) |
Public domain - published in USA before 1923 |
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, 1930, 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 | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 02:39, 22 December 2007 | 737 × 388 (84 KB) | Chetvorno | {{Information |Description=Photo of early paper filament incandescent electric light bulbs invented by Thomas Alva Edison in 1879. The caption includes: 'Copyright 1904 by William J. Hammer.' Alterations: cropped out caption and frame, increased brightn |
File usage
The following page uses this file:
