1: Gray's early experiments with household medical devices. |
2: Electro-friction: a violin rigged to amplify electric oscillations by rubbing the metal plate. |
3: The Telemelodeon or Musical Telegraph. Electromagnets produced sounds from metal reeds, then transmitted them via telegraph to any location. |
4: Gray's Telephone, and organ pipe experiments. |
5: The Telautograph, the world's first fax machine, which transmitted any written message in real time to a remote location. |
Click the image above to open the Showcase Handout. Click below to hear performances by Prof. Claudia Macdonald. "Last Rose of Summer" "M'Appari"_from_Martha Return to Roderic Knight Home Page |