Audiovisual introductions in 1886

analog or digital electronic device for recording sound on magnetic tape

sound recording device most commonly used to record speech for later playback or to be typed into print

The Graphophone was the name and trademark of an improved version of the phonograph. It was initially designed at the Volta Laboratory established by Alexander Graham Bell in Washington, D.C., United States. It was co-invented by Alexander Graham Bell, Charles Sumner Tainter, and Chichester Bell in 1886.