Similar Devices
The concept for the Violet wand has its technological beginnings in antique Electrotherapy devices invented in the early 1900s known as Violet rays. Another modern related device that has its beginnings in the same antiques is known as a High Frequency Machine, and is used in the beauty industry to oxygenate and stimulate the skin and scalp with a very mild current that is barely noticed on the skin. There is also another related industrial device that is used for electrostatic leak detection.
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—Henry David Thoreau (1817–1862)
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