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Phonautograph
first thing that could record sound signals. -
Tinfoil Cylinder Phonograph
recorded the first human voice -
Gramophone
disc player to reproduce sound signals -
Victor Talking Machine
baisicly a disc phonograph -
Scully Disc
introduced. E. C. Wente of Bell Telephone Laboratories publishes -
The First Electrically Recorded 78 rpm Disk
This all-acoustic player . -
Stereo Disk Cutter.
first "streo" -
Loudspeaker
a speaker that you connect with something and the sound is very loud , with alot of bass .