Image: Medical arc lamp
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Description: A medical carbon arc lamp 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 ultraviolet light and was used to treat various skin conditions.
Title: Medical arc lamp
Credit: Retrieved April 19, 2013 from Herbert McIntosh 1909 Practical Handbook of Medical Electricity, Therapeutic Publishing Co., Boston, USA, p. 86, fig. 51 on Google Books
Author: Herbert McIntosh
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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