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- Phonograph - the first recorder that played sound back -Electrical Vote Recorder - the first electrical vote recorder which recorded votes for political things. - Quadroplex telegrapher - which sends messages simultaneously - Electric Pen - a pen that was attached to a string which supplied ink in order to write on paper.
His most well-known invention was the light bulb. It allowed us to supply light without using candles. We use light bulbs in everyday life without them we would probably still be using candles which causes danger hazards. Light bulbs are much more efficient.