File:Staite-Petrie Lamp 1847.png

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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

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

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