File:Medical arc lamp.jpg
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Summary
A medical <a href="https://en.wikipedia.org/wiki/arc_lamp" class="extiw" title="en:arc lamp">carbon arc lamp</a> from around 1909. It consists of two carbon rod electrodes supplied with mains current creating an electric arc between them, which emitted a brilliant white light. Arc light was rich in <a href="https://en.wikipedia.org/wiki/ultraviolet_light" class="extiw" title="en:ultraviolet light">ultraviolet light</a> and was used to treat various skin conditions.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:57, 7 January 2017 | | 492 × 733 (66 KB) | 127.0.0.1 (talk) | A medical <a href="https://en.wikipedia.org/wiki/arc_lamp" class="extiw" title="en:arc lamp">carbon arc lamp</a> from around 1909. It consists of two carbon rod electrodes supplied with mains current creating an electric arc between them, which emitted a brilliant white light. Arc light was rich in <a href="https://en.wikipedia.org/wiki/ultraviolet_light" class="extiw" title="en:ultraviolet light">ultraviolet light</a> and was used to treat various skin conditions. |
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