File:Staite-Petrie Lamp 1847.png

From Vigyanwiki

Original file(990 × 1,812 pixels, file size: 44 KB, MIME type: image/png)

This file is from Wikimedia Commons and may be used by other projects. The description on its file description page there is shown below.

Summary

Self-regulating arc lamp proposed by William Edwards Staite and William Petrie in 1847.

Source: G. Woodward: Staite and Petrie: pioneers of electric lighting, IEEE Proceedings of Science, Measurement and Technology, 136-6/Nov. 1989, p. 290–296, ISSN 0960-7641

Licensing

Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
This file has been identified as being free of known restrictions under copyright law, including all related and neighbouring rights.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

45,440 byte

1,812 pixel

990 pixel

image/png

ad25c6360ed0fe9a9f519902ecbc88c157f212aa

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current06:54, 15 January 2008Thumbnail for version as of 06:54, 15 January 2008990 × 1,812 (44 KB)wikimediacommons>Phrood~commonswikiadded margin

The following page uses this file: