The Telharmonium - The world's first electronic musical instrument, broadcast music via telephone, The Rejuvenator - A device used in the early 20th century to treat medical conditions using electricity, The Writing Ball - A typing machine invented in 1865, although popular, was eventually replaced by more modern devices., The Antikythera Mechanism - An ancient computer used to predict movements of celestial bodies, discovered on a sunken ship, X-ray - A type of electromagnetic radiation that can pass through most objects,

"Inventions the world forgot" Match each invention with its description

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