Margaret Watts Hughes: Sound May Be Seen
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Margaret Watts Hughes: Sound May Be Seen

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Ethereal and enigmatic glass slides preserve the resonance of Hughes' voice in rippling, organic compositions The acclaimed Welsh singer and philanthropist Margaret Watts Hughes (1842-1907) was one of many inventors of her day fascinated by the visual documentation of sound. Her "eidophone" comprised a tube attached to a chamber covered in rubber, or "diaphragm." Hughes covered a glass slide with grains of sand or coarse pigment, then saturated it with water or milk. By singing into the device, the vibrations of her voice would etch out patterns onto the disc: an artistic rendering of the scie...