Model of David Hughes's experiment of 1876, involving three nails and connecting wires on wooden board, acting as sound detectors.

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Size: 3838px × 4554px
Photo credit: © Dorling Kindersley/UIG/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1876, 19th, background, board, century, close-, david, detail, detector, electronics, experiment, historical, history, hughes, invention, model, nail, objects, people, research, resonant, science, shot, simplicity, sound, studio, style, technology, vertical, white, wire, wood